Seadays

A simple tool to calculate your sea time based on the Canadian Marine Personnel Regulations. Enter your details below to get started.

Log Your Voyage

Enter the details of your time on a vessel.

Start Date (Joined Ship)

End Date (Left Ship)

Watch System

Select the watch schedule you worked.

Days Underway (At Sea)

Number of days the vessel was at sea.

Days in Refit / Ashore

Number of days the vessel was in refit.

Disclaimer: This tool is for estimation purposes only. Always refer to official Transport Canada documentation for exact calculations and requirements.

Created by Richard Butler for unofficial use.