About this date
Summer Solstice
This page counts down to the Northern Hemisphere summer solstice, commonly used as the astronomical first day of summer. School summer breaks and local seasonal dates may differ.
How this countdown is calculated
- Date certainty: exact.
- Date maintenance: Manually maintained.
- Time policy: utc.
- Recurrence: Northern Hemisphere June solstice; update annually.
Quick facts
- The June solstice is the astronomical start of summer in the Northern Hemisphere.
- The exact solstice time changes each year and is maintained manually in the event data.
- School summer holidays vary by location, so this page uses the astronomical season rather than a school calendar.