International GNSS Day 2661

Monday, 23 September 2661

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.

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Frequently asked questions

When is International GNSS Day 2661?
International GNSS Day 2661 is on Monday, 23 September 2661.
What day of the week is International GNSS Day 2661?
It falls on Monday.
How is International GNSS Day calculated?
This event is observed every year on 23 September.