Exodus 23:14-17

Webster_Strongs(i)
  14 H7969 Three H7272 times H2287 [H8799] thou shalt keep a feast H8141 to me in the year.
  15 H8104 [H8799] Thou shalt keep H2282 the feast H4682 of unleavened bread H398 [H8799] : (thou shalt eat H4682 unleavened bread H7651 seven H3117 days H6680 [H8765] , as I commanded H4150 thee, in the time appointed H2320 of the month H24 Abib H3318 [H8804] ; for in it thou camest out H4714 from Egypt H7200 [H8735] : and none shall appear H6440 before H7387 me empty:)
  16 H2282 And the feast H7105 of harvest H1061 , the firstfruits H4639 of thy labours H2232 [H8799] , which thou hast sown H7704 in the field H2282 : and the feast H614 of ingathering H3318 [H8800] , which is in the end H8141 of the year H622 [H8800] , when thou hast gathered H4639 in thy labours H7704 out of the field.
  17 H7969 Three H6471 times H8141 in the year H2138 all thy males H7200 [H8735] shall appear H6440 before H113 the Lord H3068 GOD.
Reformed Dating