It is an ancient israelite unit of dry measure used in the era of the temple in Jerusalem.
According to the Torah (Lev. 23:15), we are obligated to count the days from Passover to Shavu'ot. This period is known as the Counting of the Omer. An omer is a unit of measure. On the second day of Passover, in the days of the Temple, an omer of barley was cut down and brought to the Temple as an offering. This grain offering was referred to as the Omer. So on the 16th day, you would say Today is sixteen days, which is two weeks and two days of the Omer.. The Orthodox Union has a chart that provides the transliterated Hebrew and English text of the counting day-by-day. Then he or she states the Omer-count in terms of both total days and weeks and days. For example, on the 23rd day the count would be stated thus: Today is twenty-three days, which is three weeks and two days 'of' [or] 'to' (לעומר) [or] 'in' (בעומר) the Omer . The count is said in Hebrew. The commandment for counting the Omer is recorded within the Torah in Leviticus 23:15–16 : 15. And ye shall count unto you from the morrow after the day of rest, from the day that ye brought the omer of the waving; seven weeks shall there be complete; 16. By Ariela Pelaia. The Omer are forty-nine days between the holiday of Passover and the holiday of Shavuot. Also known as Sefirat HaOmer (Counting the Omer), these forty-nine days are counted aloud during evening services. Omer is a Hebrew word that means sheaves of a harvested crop and in ancient times Jews brought the omer to the Temple as an offering on the second day of Passover. By Ariela Pelaia. Lag Ba'Omer is a minor Jewish holiday that falls between the holidays of Passover and Shavuot. Lag is a combination of two Hebrew letters: lamed and gimmel. According to Hebrew numerology, lamed stands for the number thirty and gimmel stands for the number three. Lag Ba'Omer is a time during the Counting of the Omer when people can celebrate. While the Omer is a time of mourning, on Lag Ba'Omer marriages can be performed, children are taken to parks to play, and people often gather for large bonfires. Counting of the Omer (Hebrew: ספירת העומר, Sefirat HaOmer, sometimes abbreviated as Sefira or the Omer) is an important verbal counting of each of the forty-nine days between the Jewish holidays of Passover and Shavuot as stated in the Hebrew Bible: Leviticus 23:15–16. The commandment for counting the Omer is recorded within the Torah in Leviticus 23:15–16 : 15. And ye shall count unto you from the morrow after the day of rest, from the day that ye brought the omer of the waving; seven weeks shall there be complete; 16. The omer (Hebrew: עמר ‎) is an ancient Israelite unit of dry measure used in the era of the Temple in Jerusalem. It is used in the Bible as an ancient unit of volume for grains and dry commodities, and the Torah mentions as being equal to one tenth of an ephah. The omer is not easy to fit into the remainder of the ancient Israelite measurement system, as it constitutes 1.8 kabs and 0.3 se'ah. It is alleged that the unit is a result of the sexagesimal system being decimalised, perhaps under the influence of Egypt or Assyria, which both had decimal systems. The period of the counting of the Omer is considered to be a time of potential for inner growth – for a person to work on one's good characteristics (middot) through reflection and development of one aspect each day for the 49 days of the counting. The commandment for counting the Omer is recorded within the Torah in Leviticus 23:15–16 : 15. And ye shall count unto you from the morrow after the day of rest, from the day that ye brought the omer of the waving; seven weeks shall there be complete; 16. The omer refers to the forty-nine day period between the second night of Passover (Pesach) and the holiday of Shavuot. This period marks the beginning of the barley harvest when, in ancient times, Jews would bring the first sheaves to the Temple as a means of thanking God for the harvest. “You shall count from the eve of the second day of Pesach, when an omer of grain is to be brought as an offering, seven complete weeks. The day after the seventh week of your counting will make fifty days, and you shall present a new meal offering to God (Leviticus 23:15-16).”. Lag B’Omer literally means the 33rd day of the Omer. The Omer is counted for 49 days between the end of Passover and the holiday of Shavuot (derived from the practice of counting the days from the barley offering at the Temple to the day of the wheat offering on Shavuot, in the Torah).
http://www.jewfaq.org/holidayb.htm https://en.wikipedia.org/wiki/Counting_of_the_Omer http://judaism.about.com/od/holidays/a/countingtheomer.htm http://judaism.about.com/od/holidays/a/lagbaomer.htm https://en.wikipedia.org/wiki/Counting_of_the_Omer https://en.wikipedia.org/wiki/Omer_(unit) https://en.wikipedia.org/wiki/Counting_of_the_Omer http://www.myjewishlearning.com/article/how-to-count-the-omer/ http://toriavey.com/what-is-lag-bomer/
what is omer