January 21 - Unix Timestamps
The Unix timestamp for January 21 at midnight UTC, computed across recent and upcoming years. In 2026, January 21 falls on a Wednesday.
January 21 Across Years
| Date | Weekday | Unix Timestamp | ISO 8601 (UTC) |
|---|---|---|---|
| January 21, 2021 | Thursday | 1611187200 | 2021-01-21T00:00:00Z |
| January 21, 2022 | Friday | 1642723200 | 2022-01-21T00:00:00Z |
| January 21, 2023 | Saturday | 1674259200 | 2023-01-21T00:00:00Z |
| January 21, 2024 | Sunday | 1705795200 | 2024-01-21T00:00:00Z |
| January 21, 2025 | Tuesday | 1737417600 | 2025-01-21T00:00:00Z |
| January 21, 2026 | Wednesday | 1768953600 | 2026-01-21T00:00:00Z |
| January 21, 2027 | Thursday | 1800489600 | 2027-01-21T00:00:00Z |
| January 21, 2028 | Friday | 1832025600 | 2028-01-21T00:00:00Z |
| January 21, 2029 | Sunday | 1863648000 | 2029-01-21T00:00:00Z |
| January 21, 2030 | Monday | 1895184000 | 2030-01-21T00:00:00Z |
| January 21, 2031 | Tuesday | 1926720000 | 2031-01-21T00:00:00Z |
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 January 21 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.