Haw. Const. art. III, § 10

The legislature shall convene annually in regular session at 10:00 o’clock a.m. on the third Wednesday in January.

At the written request of two-thirds of the members to which each house is entitled, the presiding officers of both houses shall convene the legislature in special session. At the written request of two-thirds of the members of the senate, the president of the senate shall convene the senate in special session for the purpose of carrying out its responsibility established by Section 3 of Article VI. The governor may convene both houses or the senate alone in special session.

Regular sessions shall be limited to a period of sixty days, and special sessions shall be limited to a period of thirty days. Any session may be extended a total of not more than fifteen days. Such extension shall be granted by the presiding officers of both houses at the written request of two-thirds of the members to which each house is entitled or may be granted by the governor.

Each regular session shall be recessed for not less than five days at some period between the twentieth and fortieth days of the regular session. The legislature shall determine the dates of the mandatory recess by concurrent resolution. Any session may be recessed by concurrent resolution adopted by a majority of the members to which each house is entitled. Saturdays, Sundays, holidays, the days in mandatory recess and any days in recess pursuant to a concurrent resolution shall be excluded in computing the number of days of any session.

All sessions shall be held in the capital of the State. In case the capital shall be unsafe, the governor may direct that any session be held at some other place.