December 18 - Unix Timestamps
The Unix timestamp for December 18 at midnight UTC, computed across recent and upcoming years. In 2026, December 18 falls on a Friday.
December 18 Across Years
| Date | Weekday | Unix Timestamp | ISO 8601 (UTC) |
|---|---|---|---|
| December 18, 2021 | Saturday | 1639785600 | 2021-12-18T00:00:00Z |
| December 18, 2022 | Sunday | 1671321600 | 2022-12-18T00:00:00Z |
| December 18, 2023 | Monday | 1702857600 | 2023-12-18T00:00:00Z |
| December 18, 2024 | Wednesday | 1734480000 | 2024-12-18T00:00:00Z |
| December 18, 2025 | Thursday | 1766016000 | 2025-12-18T00:00:00Z |
| December 18, 2026 | Friday | 1797552000 | 2026-12-18T00:00:00Z |
| December 18, 2027 | Saturday | 1829088000 | 2027-12-18T00:00:00Z |
| December 18, 2028 | Monday | 1860710400 | 2028-12-18T00:00:00Z |
| December 18, 2029 | Tuesday | 1892246400 | 2029-12-18T00:00:00Z |
| December 18, 2030 | Wednesday | 1923782400 | 2030-12-18T00:00:00Z |
| December 18, 2031 | Thursday | 1955318400 | 2031-12-18T00:00:00Z |
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 December 18 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.