April 21 - Unix Timestamps
The Unix timestamp for April 21 at midnight UTC, computed across recent and upcoming years. In 2026, April 21 falls on a Tuesday.
April 21 Across Years
| Date | Weekday | Unix Timestamp | ISO 8601 (UTC) |
|---|---|---|---|
| April 21, 2021 | Wednesday | 1618963200 | 2021-04-21T00:00:00Z |
| April 21, 2022 | Thursday | 1650499200 | 2022-04-21T00:00:00Z |
| April 21, 2023 | Friday | 1682035200 | 2023-04-21T00:00:00Z |
| April 21, 2024 | Sunday | 1713657600 | 2024-04-21T00:00:00Z |
| April 21, 2025 | Monday | 1745193600 | 2025-04-21T00:00:00Z |
| April 21, 2026 | Tuesday | 1776729600 | 2026-04-21T00:00:00Z |
| April 21, 2027 | Wednesday | 1808265600 | 2027-04-21T00:00:00Z |
| April 21, 2028 | Friday | 1839888000 | 2028-04-21T00:00:00Z |
| April 21, 2029 | Saturday | 1871424000 | 2029-04-21T00:00:00Z |
| April 21, 2030 | Sunday | 1902960000 | 2030-04-21T00:00:00Z |
| April 21, 2031 | Monday | 1934496000 | 2031-04-21T00:00:00Z |
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 April 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.