In the UK it's called the **Autumn Equinox**.
For **2026** it will be:
**Tuesday, 22 September 2026**
- **Time in UK:** 8:05 PM BST (British Summer Time)
- **Time in UTC:** 7:05 PM UTC
In London, that day will have almost exactly 12 hours of day and 12 hours of night — it marks the official start of Autumn and runs until the Winter Solstice on Dec 21.
Daylight after that gets shorter and nights get longer until winter.
For **2026** it will be:
**Tuesday, 22 September 2026**
- **Time in UK:** 8:05 PM BST (British Summer Time)
- **Time in UTC:** 7:05 PM UTC
In London, that day will have almost exactly 12 hours of day and 12 hours of night — it marks the official start of Autumn and runs until the Winter Solstice on Dec 21.
Daylight after that gets shorter and nights get longer until winter.
In the UK it's called the **Autumn Equinox**.
For **2026** it will be:
**Tuesday, 22 September 2026**
- **Time in UK:** 8:05 PM BST (British Summer Time)
- **Time in UTC:** 7:05 PM UTC
In London, that day will have almost exactly 12 hours of day and 12 hours of night — it marks the official start of Autumn and runs until the Winter Solstice on Dec 21.
Daylight after that gets shorter and nights get longer until winter.
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