Deuteronomy 16:5-9

ASV_Strongs(i)
  5 H3201 Thou mayest H2076 not sacrifice H6453 the passover H259 within any H8179 of thy gates, H3068 which Jehovah H430 thy God H5414 giveth thee;
  6 H4725 but at the place H3068 which Jehovah H430 thy God H977 shall choose, H8034 to cause his name H2076 to dwell in, there thou shalt sacrifice H6453 the passover H6153 at even, H935 at the going down H8121 of the sun, H4150 at the season H3318 that thou camest forth H3318 out H4714 of Egypt.
  7 H1310 And thou shalt roast H398 and eat H4725 it in the place H3068 which Jehovah H430 thy God H977 shall choose: H6437 and thou shalt turn H1242 in the morning, H1980 and go H168 unto thy tents.
  8 H8337 Six H3117 days H398 thou shalt eat H4682 unleavened bread; H7637 and on the seventh H3117 day H6116 shall be a solemn assembly H3068 to Jehovah H430 thy God; H6213 thou shalt do H4399 no work therein.
  9 H7651 Seven H7620 weeks H5608 shalt thou number H2490 unto thee: from the time thou beginnest H2770 to put the sickle H7054 to the standing grain H2490 shalt thou begin H5608 to number H7651 seven H7620 weeks.