September 11 - Unix Timestamps
The Unix timestamp for September 11 at midnight UTC, computed across recent and upcoming years. In 2026, September 11 falls on a Friday.
September 11 Across Years
| Date | Weekday | Unix Timestamp | ISO 8601 (UTC) |
|---|---|---|---|
| September 11, 2021 | Saturday | 1631318400 | 2021-09-11T00:00:00Z |
| September 11, 2022 | Sunday | 1662854400 | 2022-09-11T00:00:00Z |
| September 11, 2023 | Monday | 1694390400 | 2023-09-11T00:00:00Z |
| September 11, 2024 | Wednesday | 1726012800 | 2024-09-11T00:00:00Z |
| September 11, 2025 | Thursday | 1757548800 | 2025-09-11T00:00:00Z |
| September 11, 2026 | Friday | 1789084800 | 2026-09-11T00:00:00Z |
| September 11, 2027 | Saturday | 1820620800 | 2027-09-11T00:00:00Z |
| September 11, 2028 | Monday | 1852243200 | 2028-09-11T00:00:00Z |
| September 11, 2029 | Tuesday | 1883779200 | 2029-09-11T00:00:00Z |
| September 11, 2030 | Wednesday | 1915315200 | 2030-09-11T00:00:00Z |
| September 11, 2031 | Thursday | 1946851200 | 2031-09-11T00:00:00Z |
All timestamps are at 00:00:00 UTC for that date.
Why might you need this?
Calendar-day timestamps are useful for cron schedules ("run every September 11 at midnight"), reminder systems, anniversary calculations, and reporting queries that bucket by date. The Unix value at midnight UTC is the canonical anchor - convert to your local zone if needed.