How is International GNSS Day calculated?

This event is observed every year on 23 September.

When is International GNSS Day 2025?

Name: International GNSS Day
Start: 2025-09-23
End: 2025-09-23
Location: Worldwide

Tuesday, 23 September 2025

International GNSS Day is observed on 23 September to raise awareness of Global Navigation Satellite Systems and their role in navigation, mapping, science, and modern global infrastructure.

Frequently asked questions

When is International GNSS Day 2025?: International GNSS Day 2025 is on Tuesday, 23 September 2025.
What day of the week is International GNSS Day 2025?: It falls on Tuesday.
How is International GNSS Day calculated?: This event is observed every year on 23 September.