Leviticus 23:35
On the first day shall be an holy convocation: ye shall do no servile work therein.
Cross-references
Leviticus 23:7 prescribes the same holy convocation and rest for the first day of Unleavened Bread, showing a consistent pattern for feast days.
Leviticus 23:24 also commands a holy convocation and rest for the Feast of Trumpets, using the same 'no servile work' language as here.
Leviticus 23:25 repeats the 'no servile work' command for the Feast of Trumpets, identical to the instruction for the first day of Tabernacles.
Leviticus 23:8 applies a similar holy convocation to the seventh day of Unleavened Bread, mirroring the pattern for the first day of Tabernacles.
Exodus 12:16 prescribes holy convocations and rest on the first and seventh days of Unleavened Bread, a pattern echoed for Tabernacles.
Numbers 28:25 commands a holy convocation and rest on the seventh day of Unleavened Bread, matching the pattern for Tabernacles' first day.