Definition
General
Occurring two times in each calendar month, usually on stated dates.
Example: Claims are paid twice monthly, on the 15th and final working day.
Also known as: twice a month, semimonthly, semi-monthly
Context: Twice monthly normally gives 24 occurrences a year; fortnightly normally gives 26.
Source checked for Twice monthly (opens in a new tab) Checked 2026-08-11