Mountain Ash Sunrise & Sunset
Rhondda Cynon Taff — Daylight, Moon Phase & Astronomy
Mountain Ash Astronomy Outlook
In Mountain Ash today, the day runs from sunrise at 04:59 to sunset at 21:25, covering 16 hours and 26 minutes of light.
Over the next two weeks, daylight in Mountain Ash follows the seasonal trend of a gradual day-to-day shift in day length. Exact times can vary slightly with local horizon and elevation, particularly in built-up areas or valleys.
Today’s Astronomy
☀️ Sun
🌙 Moon
14-Day Sunrise & Sunset
| Date | Sunrise | Sunset | Golden hour (AM) | Golden hour (PM) | Blue hour (AM) | Blue hour (PM) | Moonrise | Moonset | Moon Phase | Illumination |
|---|---|---|---|---|---|---|---|---|---|---|
| Thu, 4 Jun | 04:59 | 21:25 | 04:32–05:52 | 20:30–21:51 | 04:13–04:32 | 21:51–22:10 | 00:28 | 08:03 | WANING_GIBBOUS | 74% |
| Fri, 5 Jun | 04:58 AM | 09:25 PM | 04:31–05:52 | 20:31–21:52 | 04:12–04:31 | 21:52–22:11 | 12:57 AM | 09:40 AM | Last Quarter | 64% |
| Sat, 6 Jun | 04:57 AM | 09:26 PM | 04:30–05:51 | 20:32–21:53 | 04:11–04:30 | 21:53–22:12 | 01:13 AM | 10:53 AM | Last Quarter | 54% |
| Sun, 7 Jun | 04:57 AM | 09:27 PM | 04:30–05:51 | 20:33–21:54 | 04:11–04:30 | 21:54–22:13 | 01:25 AM | 12:04 PM | Last Quarter | 43% |
| Mon, 8 Jun | 04:56 AM | 09:28 PM | 04:29–05:51 | 20:34–21:55 | 04:10–04:29 | 21:55–22:14 | 01:36 AM | 01:16 PM | Last Quarter | 33% |
| Tue, 9 Jun | 04:56 AM | 09:29 PM | 04:28–05:50 | 20:34–21:56 | 04:09–04:28 | 21:56–22:15 | 01:46 AM | 02:29 PM | Waning Crescent | 24% |
| Wed, 10 Jun | 04:55 AM | 09:30 PM | 04:28–05:50 | 20:35–21:57 | 04:09–04:28 | 21:57–22:16 | 01:57 AM | 03:46 PM | Waning Crescent | 15% |
| Thu, 11 Jun | 04:55 AM | 09:30 PM | 04:27–05:50 | 20:36–21:58 | 04:08–04:27 | 21:58–22:17 | 02:10 AM | 05:07 PM | Waning Crescent | 8% |
| Fri, 12 Jun | 04:55 AM | 09:31 PM | 04:27–05:49 | 20:37–21:59 | 04:08–04:27 | 21:59–22:18 | 02:26 AM | 06:32 PM | New Moon | 3% |
| Sat, 13 Jun | 04:55 AM | 09:32 PM | 04:27–05:49 | 20:37–22:00 | 04:07–04:27 | 22:00–22:19 | 02:48 AM | 08:01 PM | New Moon | 1% |
| Sun, 14 Jun | 04:54 AM | 09:32 PM | 04:26–05:49 | 20:38–22:00 | 04:07–04:26 | 22:00–22:20 | 03:21 AM | 09:24 PM | New Moon | 0% |
| Mon, 15 Jun | 04:54 AM | 09:33 PM | 04:26–05:49 | 20:38–22:01 | 04:07–04:26 | 22:01–22:20 | 04:10 AM | 10:31 PM | New Moon | 2% |
| Tue, 16 Jun | 04:54 AM | 09:33 PM | 04:26–05:49 | 20:39–22:01 | 04:06–04:26 | 22:01–22:21 | 05:20 AM | 11:20 PM | Waxing Crescent | 6% |
| Wed, 17 Jun | 04:54 AM | 09:34 PM | 04:26–05:49 | 20:39–22:02 | 04:06–04:26 | 22:02–22:22 | 06:47 AM | 11:53 PM | Waxing Crescent | 11% |
Forecast context and reference links
This page focuses on practical interpretation for Mountain Ash. When the guidance becomes mixed, it is usually a regime question first, rather than a single hourly detail.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Solar Radiation, Cloud, Visibility, Mist, and Fog.
FAQ
What time are sunrise and sunset in Mountain Ash today?
In Mountain Ash today, sunrise is at 04:59 with sunset at 21:25. These times move through the year in line with seasonal changes in solar elevation.
How many hours of daylight are there in Mountain Ash today?
Look at the Day Length line in the Sunrise & Sunset panel for Mountain Ash. It updates daily and summarises the change in usable daylight across the year.
Why do sunrise and sunset times change in Mountain Ash?
The times move through the year because Earth’s tilt changes solar elevation and the length of daylight as the seasons progress.
Does daylight saving time affect sunrise and sunset clocks in Mountain Ash?
Yes. Clock times can jump when the UK changes between GMT and BST, even though the underlying solar cycle only shifts gradually day to day.
What does ‘solar noon’ mean for Mountain Ash?
It’s when the sun is highest in the sky at your location. It often differs from 12:00 because clock time is standardised across a time zone and can be shifted by daylight saving.