GPS time and sailing

Stop using the term "GPS Time" in sailing documents!

The use of the term GPS Time in Sailing Instructions (SI/NoR) is a frequent error that can lead to confusion and potential problems at the starting line. Most sailors interpret GPS Time as the standard, GPS-synchronized UTC time. However, GPS Time is a distinct time standard, and you must be aware of this.

Read the full article for an in-depth explanation of the differences between time standards (UTC, TAI, UT1, GPS) and make sure YOU avoid being caught in the trap.