International GNSS Day 2039

Friday, 23 September 2039

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 2039?
International GNSS Day 2039 is on Friday, 23 September 2039.
What day of the week is International GNSS Day 2039?
It falls on Friday.
How is International GNSS Day calculated?
This event is observed every year on 23 September.