City · Chiba

Prayer times in Isumi

Muslims living in Isumi can use this page to check when each prayer begins today. Isumi is a city in Japan, in Chiba, with about 35,544 inhabitants. The timetable is calculated astronomically for its coordinates and confirmed with the AlAdhan service, and you can change the calculation method or the Asr school in the settings.

Adhan times in Isumi today

  

  1. Fajr
  2. Sunrise
  3. Dhuhr
  4. Asr
  5. Maghrib
  6. Isha
Calculation settings

Calculated with the Muslim World League method.

The prayer times shift every day with the movement of the sun, so there is no fixed timetable for Isumi. We use the Muslim World League method (Fajr 18°, Isha when the sun is 17° below the horizon) and the local time zone (UTC+9). The countdown at the top shows how long remains before the next prayer, using the clock of your device.

Isumi prayer times for this month

 
DayHijriFajrSunriseDhuhrAsrMaghribIsha
Loading the monthly timetable…

How prayer times in Isumi change through the year

The table below gives the estimated prayer times in Isumi on four key days of 2027. The earliest Fajr comes on 21 June at 2:36 AM, the longest day lasts 14 h 32 min, against only 9 h 47 min on 21 December. Isha ranges between 5:56 PM and 8:37 PM, while Dhuhr stays between 11:31 AM and 11:46 AM. These times are calculated for the coordinates of Isumi and can differ by a minute or two from the local mosque.

Estimated prayer times in Isumi (2027)
DayFajrSunriseDhuhrAsrMaghribIsha
20 MarchSpring equinox4:18 AM5:43 AM11:46 AM3:13 PM5:49 PM7:09 PM
21 JuneSummer solstice2:36 AM4:24 AM11:40 AM3:28 PM6:56 PM8:37 PM
23 SeptemberAutumn equinox4:02 AM5:27 AM11:31 AM2:58 PM5:35 PM6:55 PM
21 DecemberWinter solstice5:12 AM6:43 AM11:36 AM2:12 PM4:30 PM5:56 PM

Isumi is located 82 km south-east of Tokyo, so Dhuhr in Isumi is called about 3 minutes earlier than in Tokyo. This difference comes from longitude: each degree shifts solar noon by about four minutes, which is why the timetable of the capital should not be used in Isumi.

Finding the Qibla from Isumi

NSEW

The Qibla in Isumi is at 293.4° from true north, clockwise from north, which means approximately towards the north-west. The Kaaba in Makkah is 9,554 km away on the great circle. To find the Qibla, place your compass on a flat surface away from metal and electrical devices, then turn until the needle points to 293.4°.

Suhoor and iftar times in Isumi

Ramadan in Isumi: based on astronomical calculation, Ramadan 1448 AH is expected to start on 8 February 2027. On the first day, suhoor ends (imsak) at 4:56 AM and the fast is broken at Maghrib, 5:13 PM, roughly 12 h 07 min of fasting. On the last day the fast lasts 13 h 06 min, longer by 59 minutes. Imsak is shown ten minutes before Fajr as a precaution; what counts for the fast is true dawn (Fajr).

Where Isumi is located

Isumi lies at 35.2301° N, 140.4049° E, in Chiba, in Japan. The nearest administrative centre is Katsuura, 12 km away. Nearby places include Ōhara (2 km), Katsuura (12 km), and Mobara (24 km). We use these coordinates directly to calculate the prayer times and the Qibla, taken from the open GeoNames database.

Name
Isumi
Type
City
Part of
Chiba, Japan
Population
35,544
Coordinates
35.23005, 140.40492
Time zone
UTC+9
Calculation method
Muslim World League
Qibla direction
293.4° (north-west)
Distance to Makkah
9,554 km

Asr and Jumu‘ah in Isumi

Friday prayer (Jumu‘ah) in Isumi takes place at the time of Dhuhr, about 11:46 AM on 20 March. For Asr, the difference between the standard and the Hanafi calculation is 75 minutes around 21 June: 3:28 PM for the majority, 4:44 PM for the Hanafis. Select the method your mosque follows in the settings.

For the best results, make sure the clock of your phone is set correctly: the countdown depends on it. The prayer times themselves are always calculated in the local time of Isumi (UTC+9), wherever you are.

Nearby cities to Isumi

Frequently asked questions about prayer times in Isumi

What is the Qibla direction in Isumi?

The Qibla in Isumi is 293.4° from true north, towards the north-west. The Kaaba in Makkah is 9,554 km away.

Which calculation method is used for Isumi?

We use the Muslim World League method: Fajr at 18° and Isha when the sun is 17° below the horizon. You can change it in the settings of the prayer card.

Do prayer times in Isumi differ from Tokyo?

Yes. Isumi is 82 km from Tokyo, towards the south-east, and Dhuhr in Isumi is called about 3 minutes earlier than in Tokyo.

When is Maghrib in Isumi?

Maghrib is at sunset: between 4:30 PM on 21 December and 6:56 PM on 21 June. Today’s time is in the card above.

What time is Fajr in Isumi?

Fajr in Isumi changes with the seasons: about 2:36 AM on 21 June and about 5:12 AM on 21 December. Today’s exact time is shown at the top of this page.

Prayer times in other cities of Chiba

All prayer times in Chiba →