Global observance

International Day for Biological Diversity

International Day for Biological Diversity is an annual global observance recorded by the United Nations. This countdown follows the published calendar date worldwide and retains the United Nations source for review.

Also known as: International Day for Biological Diversity countdown · when is International Day for Biological Diversity

248

days to go35 weeks and 3 days · about 8 months

DateMay 22, 2027

CountdownWhole calendar days

TimezoneYour local timezone

LocationWorldwide

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When is International Day for Biological Diversity?

The United Nations lists International Day for Biological Diversity on May 22 each year. This countdown follows that published global observance date.

This calendar-date countdown follows your local timezone. It does not invent a universal midnight.

Date schedule

Current and future dates for International Day for Biological Diversity.

These dates are calculated from a reviewed recurrence rule and stop at the stored source-review horizon. Estimated rows remain labelled as estimates.

Saturday, May 22, 2027Current countdown
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Monday, May 22, 2028
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Tuesday, May 22, 2029
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Wednesday, May 22, 2030
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Thursday, May 22, 2031
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026