Exodus 23:14-17

ASV_Strongs(i)
  14 H7969 Three H7272 times H2287 thou shalt keep a feast H8141 unto me in the year.
  15 H2282 The feast H4682 of unleavened bread H8104 shalt thou keep: H7651 seven H3117 days H398 thou shalt eat H4682 unleavened bread, H6680 as I commanded H4150 thee, at the time appointed H2320 in the month H24 Abib H3318 (for in it thou camest out H4714 from Egypt); H7200 and none shall appear H6440 before H7387 me empty:
  16 H2282 and the feast H7105 of harvest, H1061 the first-fruits H4639 of thy labors, H2232 which thou sowest H7704 in the field: H2282 and the feast H614 of ingathering, H3318 at the end H8141 of the year, H622 when thou gatherest H4639 in thy labors H7704 out of the field.
  17 H7969 Three H6471 times H8141 in the year H2138 all thy males H7200 shall appear H6440 before H113 the Lord H3068 Jehovah.
Reformed Dating