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

DateWeekdayUnix TimestampISO 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.

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