Days of the Omer 638 - 7 weeks from the second night of Pesach to the day before Shavuot

Days of the Omer 638 / סְפִירַת הָעוֹמֶר 4398

Warning! Results for year 1752 C.E. and earlier may be inaccurate.
Hebcal does not take into account a correction of ten days that was introduced by Pope Gregory XIII known as the Gregorian Reformation. ^[1]

7 weeks from the second night of Pesach to the day before Shavuot ㊾

Days of the Omer for Hebrew Year 4398 began on Saturday, 7 April 0638 and ended on Saturday, 26 May 0638.

Counting of the Omer (or Sefirat Ha’omer, Hebrew: ספירת העומר) is a verbal counting of each of the forty-nine days between the Jewish holidays of Passover and Shavuot. This mitzvah derives from the Torah commandment to count forty-nine days beginning from the day on which the Omer, a sacrifice containing an omer-measure of barley, was offered in the Temple in Jerusalem, up until the day before an offering of wheat was brought to the Temple on Shavuot. The Counting of the Omer begins on the second day of Passover (the 16th of Nisan) for Rabbinic Jews, and after the weekly Shabbat during Passover for Karaite Jews, and ends the day before the holiday of Shavuot, the ‘fiftieth day.’.

Read more from Judaism 101 or Wikipedia

Dates for Days of the Omer

Holiday	Starts	Ends	Hebrew Dates
Days of the Omer 635	SaturdaySat, April 11Apr 11	SaturdaySat, May 30May 30	16 Nisan - 5 Sivan 4395
Days of the Omer 636	ThursdayThu, March 31Mar 31	ThursdayThu, May 19May 19	16 Nisan - 5 Sivan 4396
Days of the Omer 637	TuesdayTue, April 18Apr 18	TuesdayTue, June 6Jun 6	16 Nisan - 5 Sivan 4397
Days of the Omer 638	SaturdaySat, April 7Apr 7	SaturdaySat, May 26May 26	16 Nisan - 5 Sivan 4398
Days of the Omer 639	ThursdayThu, March 28Mar 28	ThursdayThu, May 16May 16	16 Nisan - 5 Sivan 4399
Days of the Omer 640	TuesdayTue, April 14Apr 14	TuesdayTue, June 2Jun 2	16 Nisan - 5 Sivan 4400
Days of the Omer 641	SundaySun, April 4Apr 4	SundaySun, May 23May 23	16 Nisan - 5 Sivan 4401
Days of the Omer 642	ThursdayThu, March 24Mar 24	ThursdayThu, May 12May 12	16 Nisan - 5 Sivan 4402
Days of the Omer 643	ThursdayThu, April 13Apr 13	ThursdayThu, June 1Jun 1	16 Nisan - 5 Sivan 4403
Days of the Omer 644	TuesdayTue, April 2Apr 2	TuesdayTue, May 21May 21	16 Nisan - 5 Sivan 4404
Days of the Omer 645	SaturdaySat, March 22Mar 22	SaturdaySat, May 10May 10	16 Nisan - 5 Sivan 4405