How it calculates
This tool counts the exact number of calendar days between sign-on and sign-off (inclusive). February 28/29 and leap years are handled correctly by the browser’s date engine.
Example
- Sign-on: 01 Feb 2024
- Sign-off: 01 Mar 2024
- Result = 30 days (2024 is leap year)
Who is this for?
Useful for officers preparing COC applications and sea service records.