2009 UTC Calendar

This is the complete UTC calendar for 2009 on timestamp.is. Click any day to see its Unix timestamp at midnight UTC — the standard reference point for epoch conversion. The year 2009 contains 365 days and spans timestamps 1230768000 through 1262303999.

How to use this calendar

Select any date in the grid above. The info bar shows the Unix timestamp for 00:00:00 UTC on that day — the moment the calendar date begins in epoch time. For other times (noon, end of day), use the converter or open the full timestamp page for that second.

Jump to month: January · February · March · April · May · June · July · August · September · October · November · December

2009 in computing history

• Unix timestamp 1234567890 (13 Feb 2009) — internet celebrates
• Bitcoin genesis block mined (3 Jan 2009)

Milestones in 2009

• 1,234,567,890 — The famous 1234567890 sequence (2009-02-13 23:31:30 UTC)

Every day in 2009 has a Unix timestamp

Developers auditing logs from 2009 need quick day-to-timestamp lookup. This calendar eliminates manual calculation: January 1 2009 is 1230768000, December 31 2009 00:00 UTC is 1262217600. Share https://timestamp.is/calendar/2009 in documentation, runbooks, or Stack Overflow answers.

All calculations use UTC — no daylight saving, no timezone ambiguity. This matches how servers, databases, and APIs store time internally before converting to local display.

Related pages

• 2009 year reference — start/end timestamps and overview
• Time zone converter — convert UTC to local zones
• Epoch converter — any date/time to Unix