Wednesday, 23 September 2026
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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Add to calendarFrequently asked questions
- When is International GNSS Day 2026?
- International GNSS Day 2026 is on Wednesday, 23 September 2026.
- What day of the week is International GNSS Day 2026?
- It falls on Wednesday.
- How is International GNSS Day calculated?
- This event is observed every year on 23 September.