International GNSS Day 2027

Thursday, 23 September 2027

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 2027?
International GNSS Day 2027 is on Thursday, 23 September 2027.
What day of the week is International GNSS Day 2027?
It falls on Thursday.
How is International GNSS Day calculated?
This event is observed every year on 23 September.