International Day of Human Space Flight
United Nations observance on April 12 commemorating Yuri Gagarin's first human spaceflight in 1961.
See the exact days, hours, minutes, and seconds remaining until April 12. The countdown updates every second using your local timezone.
Key calendar details for the next occurrence of April 12.
April 12 is the 102nd day of the year in the Gregorian calendar (103rd in a leap year), situated in mid-spring in the Northern Hemisphere. It falls in the second quarter of the year, often associated with spring renewal, tax deadlines, and Easter-season planning.
The name April comes from the Latin aperire, meaning “to open,” referring to the opening of buds and blossoms in spring. In the early Roman calendar April was the second month.
For planning today, April 12 is a fixed annual date: it occurs on the same calendar date every year and is always 1 day after April 11 and 1 day before April 13. That makes the countdown predictable and useful for quarterly deadlines, spring events, and academic calendars.
A fixed early-spring anchor used for personal, academic, and business planning.
United Nations observance on April 12 commemorating Yuri Gagarin's first human spaceflight in 1961.
Observances are listed only when verified.
Important observances, events, traditions, and historical milestones associated with April 12.
No verified observances are listed for this date yet. This section will be updated as curated data becomes available.
We create April 12 at 00:00 in your local timezone for this year. If that moment has already passed, we roll to April 12 next year.
All calculations use your device clock and local timezone, so the countdown hits zero exactly when April 12 starts where you are.
Remaining milliseconds are converted to days, hours, minutes, and seconds. Values never go negative and update every second.
Leap years are handled automatically by the calendar — the interval from April 12 to next April 12 is 365 or 366 days as appropriate.
If today is after April 12, the timer counts toward next year’s April 12 and shows how many days ago the last one occurred.
The timer is scoped to this component, accessible, and works on mobile without external libraries.
Nearby dates and same-day links around April 12.
The countdown above shows the exact days, hours, minutes, and seconds until the next April 12 in your local timezone.
Divide the remaining days by seven. The Date Facts section also shows weeks remaining.
April 12 falls on a different weekday each year. See Date Facts for this occurrence’s weekday.
We take the next April 12 at 00:00 local time, subtract the current local time, and convert the difference into days, hours, minutes, and seconds.
Yes. It uses your device’s local timezone, so it reaches zero precisely when April 12 begins for you.
It automatically counts down to April 12 of the following year and shows how many days ago the last April 12 occurred.
April 12 is the International Day of Human Space Flight, commemorating the first human spaceflight.
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