Tuesday, March 10th, 2026 · 21st Ramadan 1447H
Iftar Time Today
Iftar in Merthyr Tudful, Merthyr Tydfil, GMT/BST, using NOAA algorithms
Sehri Ends
04:49
When fasting begins today
MWL Method
Uses the Muslim World League standard (18° astronomical twilight), widely accepted globally.
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Check PriceIftar time in Merthyr Tudful is based on the astronomical sunset at 51.7°N, 3.4°W. This timing already accounts for atmospheric refraction, marking the moment the sun appears to dip below the horizon.
Local Confirmation: While our Iftar times are accurate, we recommend checking with your local mosque for any community-specific adjustments or moon sighting variations.
Today's fast in Merthyr Tudful lasts 11h 25m, which is approximately 160 minutes longer than at the start of Ramadan. Fasting hours are increasing rapidly as daylight extends at your high northern latitude.
At 51.7°N and 168m elevation in the London timezone, Merthyr Tudful is in the temperate zone, where seasonal daylight changes are noticeable. During Ramadan in spring, fasting hours increase by about 8 minutes each day. Your elevation adds roughly 0.6 minutes to sunset timing.
By mid-Ramadan (day 15), you'll have gained an extra 120 minutes of fasting compared to the first day. Compared to Rhondda at 51.6°N, this results in about 1 minutes of difference. These gradual daily changes are a defining feature of fasting in Merthyr Tudful.
Merthyr Tudful's sunset is approximately 1 minute later than Cwmbran, primarily due to longitude differences between the cities.
Merthyr Tudful's sunset is approximately 1 minute earlier than Pen-y-Bont ar Ogwr, primarily due to longitude differences between the cities.
Merthyr Tudful's sunset is approximately 2 minutes earlier than Neath, primarily due to longitude differences between the cities.
In Merthyr Tudful, sunset shifts slightly. Specifically, today's sunset occurs 2m later than yesterday.
Tomorrow's fast will be approximately 8 minutes longer than today in Merthyr Tudful, following the seasonal daylight pattern at 51.7° latitude. This daily progression is characteristic of Merthyr Tudful's high latitude position, where seasonal astronomical shifts directly affect fasting duration throughout Ramadan.
Earth's atmosphere bends light, causing the sun to appear slightly higher on the horizon than its actual position. This atmospheric refraction effect is already accounted for in our calculations, giving you the precise moment when the sun appears to cross below the horizon.
At 168m above sea level, Merthyr Tudful's elevation affects when sunset occurs. Higher elevations see the sunset slightly later than lower areas. This elevation adjustment is included in all our calculations.
Iftar times are calculated using precise astronomical algorithms from NOAA, based on Merthyr Tudful's exact location (51.74°N, 3.38°W), timezone (Europe/London), and the current season to determine accurate sunset times throughout Ramadan.
Iftar in Merthyr Tudful today is the astronomical sunset time shown at the top of this page. Check the precise time, which is calculated for Merthyr Tudful's exact location (51.74°N, 3.38°W) at 168m elevation. The calculation uses the MWL 18° method, which is followed by most UK mosques.
Sehri end time in Merthyr Tudful marks when the fast begins in the morning. During Ramadan, this time shifts daily as sunrise moves earlier or later. The time shown on this page is calculated for Merthyr Tudful's exact coordinates using the MWL 18° method, though you can compare other calculation standards on this page.
At 51.7°N, Merthyr Tudful experiences moderate seasonal variation in daylight, affecting fasting duration throughout Ramadan. Fasting hours in Merthyr Tudful vary daily throughout Ramadan as sunset and Fajr shift with the season. The times shown on this page are calculated for Merthyr Tudful's exact location so you can plan your fast accordingly.
Compared to Rhondda, Merthyr Tudful has sunset 52m higher elevation creates a slightly later sunset. The primary cause is the longitude difference between the cities — roughly 4 minutes of time difference per degree of longitude. Merthyr Tudful is at latitude 51.74°, while Rhondda is at latitude 51.62°. Even small differences in latitude and elevation create measurable shifts in when sunset occurs.
The MWL 18° method is most commonly used by mosques in Merthyr Tudful. However, the best method for you depends on your local mosque or Islamic authority. We provide multiple standards on this page: MWL 18°, ISNA 15°, Umm al-Qura 18.5°, and Diyanet 20°. Check with your mosque to confirm which they recommend, then use that method from the options available above.