HRS §8-2
Holidays that fall on a weekend
This section says what happens when a state holiday lands on a weekend. If it falls on Sunday, the holiday is observed on Monday. If it falls on Saturday, the holiday is observed on Friday.
everyone
The statute, as written — Observance of holidays falling on Sundays and Saturdays
If any of the State's legal holidays fall on Sunday, the following Monday shall be observed as a holiday. If the day falls on Saturday, the preceding Friday shall be observed as a holiday.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.