How Many Days Until Summer Solstice?
The June (northern) solstice, the longest day of the year in the northern hemisphere, falls around June 20-21 each year. This tool tracks the next occurrence using June 21 as a stable approximation.
Time until Summer Solstice
🎉 Today!
About the countdown
This countdown is computed from your current moment to in your local time zone. It updates every second — refresh the page any time to reset the base moment. All calculation happens entirely in your browser using the standard Date API. Nothing is uploaded, logged, or stored.