{"id":679,"date":"2013-08-15T20:39:19","date_gmt":"2013-08-15T20:39:19","guid":{"rendered":"https:\/\/www.star-k.org\/articles\/?p=679"},"modified":"2018-12-05T16:54:14","modified_gmt":"2018-12-05T16:54:14","slug":"birchas-hachama-5769","status":"publish","type":"post","link":"https:\/\/www.star-k.org\/articles\/kashrus-kurrents\/679\/birchas-hachama-5769\/","title":{"rendered":"Birchas Hachama 5769"},"content":{"rendered":"<p style=\"text-align: left;\" align=\"center\"><em>Published Winter 2008<\/em><\/p>\n<p align=\"left\"><span style=\"font-family: Arial,Helvetica; font-size: small;\"><b><i><strong>To hear a comprehensive shiur on Birchas Hachama, <a href=\"http:\/\/torahmedia.com\/search\/fileinfo.php?sid=0c63220y258r5i6&amp;cid=&amp;directlink=36645&amp;frompage=\" target=\"window\">click here.<\/a><br \/>\nListen to a teleconference interview about Birchas Hachama, <a href=\"http:\/\/www.torahmedia.com\/podcast\/sendfile.php\/32068\/Birkas%20Hachamah%20-%20Blessing%20over%20the%20Sun.mp3\"> click here.<\/a><\/strong><\/i><\/b><br \/>\n<em><strong>To see Sefer Shaarai Zmannim referenced in this article, <a href=\"http:\/\/hebrewbooks.org\/53000\">click here<\/a>.<\/strong><\/em><br \/>\n<\/span><\/p>\n<p align=\"left\"><!--more--><\/p>\n<div>\n<p><span style=\"font-family: Arial,Helvetica; font-size: small;\"><i>If one would visit the numerous day schools, <em>chadarim<\/em>, <em>mesivtos<\/em> and <em>batei midrashim<\/em> throughout the world, one would find that every child, almost every <em>bochur <\/em>and most <em>Kollel Yungeleit<\/em> have never performed the <em>mitzvah<\/em> of reciting <em>Birchas Hachama<\/em> (the blessing of the sun).\u00a0 This is because this <em>mitzvah<\/em> is performed only once every 28 years.\u00a0 \u00a0\u00a0The last time it was recited was in 5741 (1981) and <em>b\u2019ezras Hashem<\/em> the next time will be this coming <em>Erev Pesach<\/em>, 5769 &#8211; Wednesday April 8, 2009.\u00a0 What is this special <em>mitzvah<\/em> and why is it recited so infrequently? <\/i><\/span><\/p>\n<\/div>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: medium;\"><strong>I. <em><span style=\"text-decoration: underline;\">Birchas Hachama<\/span><\/em><span style=\"text-decoration: underline;\"> \u2013 A Simple Explanation<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">The <em>Amorah\u00a0 <\/em>(T<em>almudic<\/em> scholar),<em> Abaye<\/em>, said<sup><a href=\"#1\">1<\/a><\/sup> that every time that \u201c<em>Tekufas Nissan<\/em>\u201d (the beginning of spring, as calculated by <em>Chazal<\/em>) occurs at 6:00 p.m. on Tuesday evening (when the <em>halachic<\/em> day of Wednesday begins) one should go outside the next morning and recite the <em>brocha,<\/em> \u201c<em>Osei maaseh braishis.<\/em>\u201d\u00a0 This occurs once every 28 years. <\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: medium;\"><strong>II. <span style=\"text-decoration: underline;\">The <em>Halachos<\/em><\/span><\/strong> <\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">On Wednesday morning (the day after <em>Tekufas Nissan<\/em>), one goes outside and quickly gazes towards the sun and says, \u201c<em>Baruch atah Hashem Elokainu Melech haolam oseh maaseh braishis<\/em>,\u201d \u2013 \u201cBlessed are You, <em>Hashem, <\/em>our G-d, King of the universe, Who re-enacts the structure of the creation.<sup><a href=\"#2\">2<\/a><\/sup> Additional <em>tefillos<\/em> praising the <em>Ribono Shel Olam<\/em> are also recited. Before the <em>bracha<\/em> <em>Hallelu es Hashem min Hashamayim<\/em><sup><a href=\"#3\">3<\/a><\/sup> is recited.\u00a0 After the <em>bracha<\/em> <em>Kail Adon<\/em>,<sup><a href=\"#4\">4<\/a><\/sup> <em>Mizmor<\/em> <em>HaShamayim Mesaprim<\/em><sup><a href=\"#5\">5<\/a><\/sup> and <em>Aleinu<\/em><sup><a href=\"#6\">6<\/a><\/sup>are recited.\u00a0 If there is a <em>minyan<\/em>, <em>Kaddish<\/em><sup><a href=\"#7\">7<\/a><\/sup> is recited after <em>Aleinu<\/em>.<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">Ideally, <em>Birchas Hachama<\/em> should be recited before the third hour of the day.<sup><a href=\"#8\">8<\/a><\/sup><em> B\u2019dieved,<\/em> one has until <em>chatzos<\/em> (midday) to recite <em>Birchas Hachama<\/em>.\u00a0 It is preferably recited while standing &#8211; \u201c<em>b\u2019rov am<\/em>\u201d, with a group of other people.<sup><a href=\"#9\">9<\/a><\/sup> Women and children should recite the <em>bracha<\/em>, as well.\u00a0 A blind person should be <em>yotzai<\/em> (fulfill his obligation) through hearing someone else make the <em>bracha<\/em>.<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">If it is cloudy, the following <em>halachos<\/em> apply:\u00a0 If one can see the lines of the sun behind the clouds, one may say <em>Birchas Hachama<\/em>.\u00a0 If it is so cloudy that the sun is not visible, one may not say <em>Birchas Hachama<\/em> with the name of <em>Hashem<\/em>.<sup><a href=\"#10\">10<\/a><\/sup> Rather, shortly before <em>chatzos<\/em> (or when it is obviously going to stay cloudy until <em>chatzos<\/em>) one would say, \u201c<em>Baruch <\/em> <em>oseh maaseh braishis<\/em>\u201d without the name of <em>Hashem<\/em>.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: medium;\"><strong>III.\u00a0\u00a0 <span style=\"text-decoration: underline;\">Why Every 28 Years?<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">When the world was created, the sun and moon were created on the Wednesday of the week of <em>bri&#8217;as haolam<\/em> (creation of the world). \u00a0On that day, the beginning of spring<sup><a href=\"#11\">11<\/a><\/sup> (known as \u201c<em>Tekufas Nissan<\/em>\u201d) was at 6:00 p.m., on Tuesday the beginning of the <em>halachic<\/em> day Wednesday.<sup><a href=\"#12\">12<\/a><\/sup> <\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">It takes approximately 365 days and 6 hours<sup><a href=\"#13\">13<\/a><\/sup> for the Earth to completely revolve one time around the sun.\u00a0 This is equal to 52 weeks, 1 day and 6 hours.\u00a0 Therefore, in the following year (after the world was created) spring began early Thursday at midnight (midnight early Thursday is one day of the week and 6 hours after Tuesday at 6:00 p.m.).\u00a0 The following year it began at 6:00 a.m. on Friday, the following year at noon on <em>Shabbos<\/em> and the year after that at 6:00 p.m. on Sunday.\u00a0 Every four years, the time of the <em>tekufa<\/em> moved five days of the week later (e.g. from 6:00 p.m. Tuesday to 6:00 p.m. Sunday).\u00a0 After 28 years,<sup><a href=\"#14\">14<\/a><\/sup> it returned to the same time that it was at <em>Brias Haolam<\/em>, 6:00 p.m. Tuesday the beginning of \u201c<em>Lail Revi\u2019i<\/em>\u201d (<em>halachically<\/em> Wednesday). So, in year 29 (counting from the creation), 57, 85, 113 \u00a0and every 28th year after that, including most recently in 5713 (1953) and 5741 (1981) the <em>tekufa<\/em> was at 6:00 p.m. on Tuesday and <em>Birchas Hachama<\/em> was recited the next day.\u00a0 Once again, it will be at 6:00 p.m. on Tuesday this year.\u00a0 After this year, the next time <em>Birchas Hachama<\/em> will be recited will be in 5797 (2037) and then again in 5825 (2065).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: medium;\"><strong>IV. <\/strong><span style=\"text-decoration: underline;\"><strong> The Date<\/strong><\/span><\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><em>Birchas Hachama<\/em> is always recited on a Wednesday.\u00a0 In the 20th and 21st Centuries, it is recited on April 8.<sup><a href=\"#15\">15<\/a><\/sup> The Hebrew date can vary.\u00a0 In the past 400 years, <em>Birchas Hachama<\/em> has been said as early as the 27th of <em>Adar<\/em> II (in 5461 [1701]) and as late as the 26th of <em>Nissan<\/em> (in 5545 [1785] and 5629 [1869]).<sup><a href=\"#16\">16<\/a><\/sup><\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><em>Birchas Hachama<\/em> can be recited on <em>Yom Tov<\/em>.\u00a0 It will be recited on the seventh day of <em>Pesach<\/em> (scheduled for 5881 [2121]) and was said on the second day of <em>Pesach<\/em> \u2013 <em>Yom Tov<\/em> outside of Israel (in 5601 [1841]).\u00a0 It cannot be recited on the first or eighth day of <em>Pesach<\/em>, as these days never occur on Wednesday.\u00a0 This year, 5769 (2009), <em>Birchas Hachama<\/em> will be recited on <em>Erev Pesach<\/em><sup><a href=\"#17\">17<\/a><\/sup> and in 5797 (2037), according to the calculations of the calendar,<sup><a href=\"#18\">18<\/a><\/sup> it will be recited on <em>Isru Chag Pesach<\/em>.\u00a0 In 5825 (2065), it will be said on the 2nd of <em>Nissan<\/em>.<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><em>Klal Yisroel<\/em> is <em>zoche<\/em> (merits) to have two types of <em>mitzvos<\/em>.\u00a0 Some <em>mitzvos<\/em> are performed frequently, on a daily or weekly basis; other <em>mitzvos<\/em> are performed infrequently.\u00a0 Both types of <em>mitzvos<\/em>, are done to better serve the <em>Ribono Shel Olam<\/em>.\u00a0 One purpose of frequently performed<br \/>\n<em>mitzvos<\/em> is to become more consistent in our connection to Hashem.\u00a0 How beautiful it is when <em>Yidden daven<\/em> \u201cday in and day out,\u201d or when the <em>Nashim Tzidkaniyos<\/em> (righteous women) faithfully light candles every single <em>Erev Shabbos <\/em>and <em>Yom Tov<\/em>.\u00a0 <\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\">Infrequently performed <em>mitzvos<\/em> such as <em>Birchas Hachama<\/em> offer <em>Klal Yisroel<\/em> the opportunity to serve <em>Hashem<\/em> with special \u201c<em>hischadshus,<\/em>\u201d renewed anticipation and excitement in serving the <em>Borai Olam<\/em> (Creator) with a mitzvah performed by Yidden throughout the world \u2013 usually only three times in ones lifetime! May we merit the recitation of <em>Birchas Hachama<\/em> with <em>Moshiach Tzidkainu<\/em> who should come <em>bimhaira b\u2019yamainu<\/em>, speedily in our days.<\/span><\/p>\n<div>\n<div align=\"left\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><strong>Listen to a teleconference interview about Birchas Hachama. <a href=\"http:\/\/www.torahmedia.com\/podcast\/sendfile.php\/32068\/Birkas%20Hachamah%20-%20Blessing%20over%20the%20Sun.mp3\"> Click here.<\/a><\/strong> <\/span><\/p>\n<div><\/div>\n<\/div>\n<\/div>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><span style=\"text-decoration: underline;\">Footnotes<\/span>:<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"> <a name=\"1\"><\/a>1. <em>Berachos<\/em> 59b.\u00a0 The <em>halacha<\/em> is addressed in <em>Shulchan Aruch<\/em> &#8211; <em>Orach<\/em> <em>Chaim<\/em> 229:2. <\/span><\/p>\n<div id=\"ftn2\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"2\"><\/a>2. This is the same <em>brocha<\/em> recited upon seeing lightning, very tall mountains or the Mediterranean Sea (the <em>brocha<\/em> recited upon seeing an ocean is different).<\/span><\/p>\n<\/div>\n<div id=\"ftn3\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"3\"><\/a>3. <em>Tehillim<\/em> 148<\/span><\/p>\n<\/div>\n<div id=\"ftn4\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"4\"><\/a>4. This is from the <em>Shabbos<\/em> morning<em> davening<\/em>.<\/span><\/p>\n<\/div>\n<div id=\"ftn5\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"5\"><\/a>5. <em>Tehillim<\/em> 19<\/span><\/p>\n<\/div>\n<div id=\"ftn6\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"6\"><\/a>6. <em>Mishna Brura<\/em> 229:8.\u00a0 See also <em>Teshuvos Chasam Sofer<\/em> 1:56. There are various other customs as to which <em>psukim<\/em> and <em>tefillos<\/em> are recited before and after the <em>bracha<\/em>.<\/span><\/p>\n<\/div>\n<div id=\"ftn7\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"7\"><\/a>7. \u201c<em>Kaddish Yasom<\/em>\u201d\/Mourner\u2019s Kaddish<\/span><\/p>\n<\/div>\n<div id=\"ftn8\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"8\"><\/a>8. <em>Sof z\u2019man K\u2019rias Shma<\/em>, according to the opinion of the <em>Gra.<\/em><\/span><\/p>\n<\/div>\n<div id=\"ftn9\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"9\"><\/a>9. \u201c<em>B\u2019rov Am Hadras Melech<\/em>\u201d.\u00a0 We honor <em>Hashem<\/em> when a group of people perform the <em>mitzvos<\/em> together. Of course, one can say <em>Birchas Hachama<\/em> alone, but it should ideally be said with a <em>minyan<\/em> or with at least two other people (the minimum \u201c<em>rov am<\/em>\u201d is three \u2013 see <em>Chaye Adam<\/em> 68:11).<\/span><\/p>\n<\/div>\n<div id=\"ftn10\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"10\"><\/a>10. <em>Mishna Brura<\/em> 229:8, who quotes the <em>Teshuvos<\/em> <em>Chasam Sofer <\/em>1:56.\u00a0 Note the <em>Panim Meiros<\/em> 2:30 states that it is enough to see the light of the sun as opposed to the actual sun.\u00a0 Therefore, even if it is cloudy, one may say <em>Birchas Hachama <\/em>by going outside and seeing \u201csunlight\u201d.\u00a0 The <em>Mishna Brura<\/em> rejects this view.\u00a0 Alternatively, one could go to a tall mountain or very large body of water and recite, \u201c<em>Oseh maaseh braishis<\/em>,\u201d having in mind <em>Birchas Hachama<\/em> (see <em>Sefer Shaarei Zmanim, Siman<\/em> 3, footnote 4.\u00a0 See also <em>Siman <\/em>3, Section 3 regarding whether <em>Birchas Hachama<\/em> can be said in countries west of <em>Eretz Yisroel<\/em> on Tuesday if the weather forecasters predict that on Wednesday it will be very cloudy).<\/span><\/p>\n<\/div>\n<div id=\"ftn11\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"11\"><\/a>11. This goes according to the opinion of Rebbi Yehoshua (<em>Rosh Hashana<\/em> 11a) that \u201c<em>B\u2019Nissan Nivra Ha\u2019olam<\/em>\u201d \u2013 the world was created at the beginning of spring.\u00a0 In regards to <em>molados<\/em> (new moon) and in the <em>davening<\/em> of <em>Rosh Hashana<\/em> (when we say, \u201c<em>Zeh Hayom Techilas Ma\u2019asecha<\/em>\u201d) we follow the opinion of Rebbi Eliezer, who holds \u201c<em>B\u2019Tishrei Nivrah Ha\u2019olam<\/em>,\u201d the world was created at the beginning of autumn.\u00a0 For a detailed discussion of this topic, see <em>Tosfos Rosh Hashana<\/em> (8a-<em>L\u2019tkufos<\/em> and 27a-<em>K\u2019mahn<\/em>), <em>Sefer Shaarei Zmanim Siman<\/em> 2 and <em>Sefer Mayim Rabim Siman<\/em> 1.<\/span><\/p>\n<\/div>\n<div id=\"ftn12\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"12\"><\/a>12. The Jewish day begins at night.\u00a0 Hence, at the beginning of spring, the new day begins at 6:00 p.m. when the sun sets and night begins.\u00a0 \u201cSunday\u201d begins at 6:00 p.m. Saturday. \u201cMonday\u201d begins at 6:00 p.m. Sunday, etc. \u00a0It should be noted that the \u201cfixed\u201d time of 6:00 p.m. for the beginning of any day of the year only relates to <em>tekufos<\/em> and <em>molados<\/em> (new moon).\u00a0 Regarding S<em>habbos<\/em> and <em>Yom Tov<\/em>, the day begins at sunset and ends the next day when the stars come out.\u00a0 In the winter, this will be before 6:00 p.m., and in the summer after 6:00 p.m.\u00a0 <em>Davening<\/em> times also vary depending upon the season.<\/span><\/p>\n<\/div>\n<div id=\"ftn13\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"13\"><\/a>13. In reality, the earth takes 365 days, 5 hours 48 minutes 46 seconds to revolve around the sun.\u00a0 As will be discussed, <em>Shmuel<\/em> sacrificed accuracy for simplicity, and used the rounded number of 365 \u00bc days.\u00a0\u00a0\u00a0 <\/span><\/p>\n<\/div>\n<div id=\"ftn14\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"14\"><\/a>14. Every four years, the <em>tekufa<\/em> is once again at 6:00 p.m., five days of the week later than the last time the <em>tekufa<\/em> occured.\u00a0 After seven sets of four years (i.e. 28 years), it returns to 6:00 p.m. Tuesday.<\/span><\/p>\n<\/div>\n<div id=\"ftn15\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"15\"><\/a>15. <em>Birchas Hachama<\/em> and the secular date are both based on the seasons which are based only on the sun.\u00a0 Therefore, the secular date of <em>Birchas Hachama<\/em> is the same every time it is recited.\u00a0 The date changes every century when the Gregorian calendar skips a leap date (i.e. when there is no February 29 in years ending in \u201c00\u201d, not divisible by 400).\u00a0 Therefore, in the 19th Century <em>Birchas Hachama<\/em> was said on April 7.\u00a0 It switched to April 8 when there was no February 29, 1900.\u00a0 After 2100, when February 29 will not occur, it will switch to April 9.\u00a0 It should be noted that <em>V\u2019sain<\/em> <em>Tal<\/em> <em>U\u2019matar<\/em> also begins at the same time on the solar calendar every year (either December 4th or 5th at <em>Maariv<\/em>) because <em>Tal<\/em> <em>U\u2019matar<\/em> is also based on the <em>tekufos<\/em> (60th day of <em>Tekufas Tishrei<\/em>\/Fall).\u00a0 Every century, when there is no February 29, <em>Tal U\u2019matar<\/em> also shifts a day.\u00a0 In the 19th Century, it began December 3 or 4 at <em>Maariv<\/em>.\u00a0 In the 22nd century, it will begin on December 5th or 6th at <em>Maariv<\/em>.<\/span><\/p>\n<\/div>\n<div id=\"ftn16\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"16\"><\/a>16. An obvious question arises.\u00a0 If <em>Pesach<\/em> must occur in the Spring (<em>Tekufas Nissan<\/em>) and <em>Birchas Hachama<\/em> occurs on the morning after <em>Tekufas Nissan<\/em>, how is it possible for <em>Birchas Hachama <\/em>to occur <span style=\"text-decoration: underline;\">after<\/span> <em>Pesach<\/em> (e.g. in 2037)?\u00a0 <em>Birchas Hachama<\/em> after <em>Pesach<\/em> means that the first day of <em>Tekufas Nissan<\/em> is after <em>Pesach<\/em> and, therefore, <em>Pesach<\/em> is <span style=\"text-decoration: underline;\">before<\/span> <em>Tekufas<\/em> <em>Nissan<\/em> and is still in the winter?<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"> The answer is that there are two different ways of calculating the <em>tekufa<\/em>, one according to <em>Shmuel<\/em> and the other according to <em>Rav<\/em> <em>Ada<\/em>.\u00a0 As previously indicated <em>Shmuel<\/em>\u2019s <em>tekufa<\/em> is based on a year that is 365 days 6 hours and is the <em>tekufa<\/em> used for <em>Birchas Hachama<\/em> and <em>Tal U\u2019matar<\/em> (60th day of <em>Tekufas<\/em> <em>Tishrei<\/em>\/Fall).\u00a0 <em>Rosh Hashanah<\/em>, <em>Yomim Tovim<\/em>, and the calendar are based on the <em>Tekufa<\/em> as calculated by <em>Rav<\/em> <em>Ada<\/em>, which is closer to the scientific calculation of the beginning of spring.\u00a0 Since these two times are slowly drifting away from each other (<em>Tekufas<\/em> <em>Shmuel<\/em> is moving later in relationship to <em>Tekufas Rav<\/em> <em>Ada<\/em>), it is possible to say <em>Birchas Hachama<\/em> after <em>Pesach<\/em> since <em>Pesach<\/em> is calculated according to <em>Tekufas Rav Ada<\/em>, while <em>Birchas Hachama<\/em> is based on <em>Tekufas Shmuel<\/em>.<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><em>Tekufas Rav<\/em> <em>Ada<\/em> is based on 235 lunar months (the 19 year cycle, with seven leap years to ensure that <em>Pesach<\/em> remains in the spring) divided by 19.\u00a0 This calculates the \u201caverage\u201d lunar year.\u00a0 It is 365 days, 5 hours, 997 <em>chalakim<\/em> and 48 <em>regaim<\/em> (997 <em>chalakim<\/em> and 48 <em>regaim<\/em> are equal to 55 minutes and 2.1 seconds, as each <em>chalek<\/em> is 3 1\/3 seconds and each \u201c<em>rega<\/em>\u201d is 1\/76 of a <em>chalek<\/em>).<\/span><\/p>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"> The <em>Chazon Ish<\/em> (<em>OC Siman<\/em> 138, <em>se\u2019if katan<\/em> 4) explains that the calculations of <em>Chazal<\/em> are slightly different from the calculations of science to make them more simple to use.\u00a0 This concept of sacrificing precision for simplicity is also found in the <em>Gemara<\/em> including <em>Sukka<\/em> 8a (in regards to square roots in calculating the hypotenuse of a triangle &#8211; see Tosfos).\u00a0 The purpose of <em>mitzvos<\/em> is to accept the Heavenly yoke and to fulfill the \u201c<em>chochmas haTorah<\/em>\u201d (wisdom of the <em>Torah<\/em>).\u00a0 These must also be performed by \u201c<em>chalushei hada\u2019as\u201d<\/em>, individuals who may be academically and mathematically weak.\u00a0 Therefore, in certain cases as determined by Chazal, <em>mitzvos<\/em> can be performed based on calculations that have been rounded off for simplicity and do not require precise calculations.\u00a0 In other words, since all of <em>Klal Yisroel<\/em> must perform these <em>mitzvos<\/em>, we must utilize a simple calculation to avoid mass confusion.\u00a0 <em>Tekufas Rav Ada<\/em> is closer to the scientific calculation but is also not precise.\u00a0 Once again, a small degree of accuracy was sacrificed to achieve the \u201csimplicity\u201d of basing the calendar on the average lunar year.\u00a0 It should also be noted that using a precise solar calculation would mean an inaccurate average of the lunar months.\u00a0 For a detailed discussion of this issue, see <em>Sefer Shaarei Zmanim Siman<\/em> 1.<\/span><\/p>\n<\/div>\n<div id=\"ftn17\">\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"17\"><\/a>17. The <em>Ostrovtzah Rebbe<\/em>, <em>zt\u201dl<\/em>, as quoted in S<em>efer<\/em> <em>Me\u2019ir Aini Chachamim,<\/em> says that since the creation of the world, <em>Birchas Hachama<\/em> was recited on <em>Erev Pesach <\/em>on three occasions \u2013 the day before the exodus from Egypt, at the time <em>Mordechai<\/em> and <em>Esther<\/em> fasted after the decree of <em>Haman<\/em>, and \u201cvery soon\u201d, referring to 5685 (1925) as the <em>Rebbe<\/em> discussed in the early 1900\u2019s.\u00a0 There are two questions on this explanation:\u00a0 1) If <em>Birchas Hachama<\/em> is recited every 28 years, it was recited in 2437 and 2465, and the exodus from Egypt was during or next to the year 2448, when <em>Birchas Hachama<\/em> was not said.\u00a0 The story of <em>Purim<\/em> took place during or near 3405, which is nowhere near 3389 and 3417, the years of <em>Birchas Hachama<\/em>.<br \/>\n2) Furthermore, <em>Birchas Hachama<\/em> was recited on several occasions on <em>Erev Pesach <\/em>(after the stories <em>Pesach<\/em> and <em>Purim<\/em>), including the following years:\u00a0 4369 (609), 4453 (693) and 5069 (1309).\u00a0 Therefore, the <em>Ostrovtzah Rebbe<\/em>\u2019s statement needs further clarification, <em>v<\/em>\u2019<em>tzarich iyun<\/em>. See <em>Sefer Shaarei Zmanim<\/em> 1:8.\u00a0 [It should be noted that this year, <em>Erev Pesach<\/em> will be only the third time in the last 1300 years that both the preparation of an <em>Eruv Tavshilin<\/em> and the recitation of <em>Birchas Hachama<\/em> will occur on the same day.]<\/span><\/p>\n<\/div>\n<p><span style=\"font-family: Arial,Helvetica,sans-serif; font-size: small;\"><a name=\"18\"><\/a>18. When <em>Moshiach<\/em> comes, <em>bimhaira b\u2019yameinu<\/em>, we will establish <em>Rosh Chodesh<\/em> based on witnesses and there may be slight variations in the Jewish calendar that is currently based on calculations.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: left;\" align=\"center\">Published Winter 2008<\/p>\n<p align=\"left\"><span style=\"font-family: Arial,Helvetica; font-size: small;\"><b><i><strong>To hear a comprehensive shiur on Birchas Hachama, <a href=\"http:\/\/torahmedia.com\/search\/fileinfo.php?sid=0c63220y258r5i6&amp;cid=&amp;directlink=36645&amp;frompage=\" target=\"window\">click here.<\/a><br \/>\nListen to a teleconference interview about Birchas Hachama, <a href=\"http:\/\/www.torahmedia.com\/podcast\/sendfile.php\/32068\/Birkas%20Hachamah%20-%20Blessing%20over%20the%20Sun.mp3\"> click here.<\/a><\/strong><\/i><\/b><br \/>\n<strong>To see Sefer Shaarai Zmannim referenced in this article, <a href=\"http:\/\/hebrewbooks.org\/53000\">click here<\/a>.<\/strong><br \/>\n<\/span><\/p>\n<p align=\"left\">\n","protected":false},"author":5,"featured_media":1014,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,27,66],"tags":[],"class_list":["post-679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kashurs-kurrents-2008","category-kashrus-kurrents","category-winter-kashrus-kurrents-2008"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Birchas Hachama 5769 | STAR-K Kosher Certification<\/title>\n<meta name=\"description\" content=\"If one would visit the numerous day schools, chadarim, mesivtos and batei midrashim throughout the world, one would find that every child\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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