India · IST
Tue, 15 Sept 2026
Timezone Guide
Patna, India runs on UTC+5:30. This time zone stays fixed year-round at UTC+5:30 — daylight saving time is not observed. There is a 9.5-hour difference between Patna and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 4.5-hour difference between Patna and London. Standard 9-to-6 working hours overlap for about 4.5 hours a day with London. A good time to connect: 13:30–18:00 in Patna lines up with 09:00–13:30 in London. There is a 3.5-hour difference between Patna and Tokyo. Standard 9-to-6 working hours overlap for about 5.5 hours a day with Tokyo. A good time to connect: 09:00–14:30 in Patna lines up with 12:30–18:00 in Tokyo. This timezone is also shared with cities such as Mumbai, Delhi, Bangalore. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Patna.
Practical Info
Patna (India) is home to roughly 2.4M people. Today brings about 13.7 hours of daylight: sunrise at 05:00, sunset at 18:42. This time zone stays fixed year-round at UTC+5:30 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 26° north of the equator. Traffic drives on the left.
Flag
India
Capital
New Delhi
Continent
Asia
Time Zone
IST · Asia/Kolkata
Coordinates
25.61°N, 85.14°E
Currency
INR (₹)
Calling Code
+91
Driving Side
Left
Hemisphere
Northern
Language
Hindi, English
Measurement System
Metric
Did You Know?
Pataliputra, now Patna, was capital of the Maurya empire under Ashoka around 250 BC, and by some estimates the largest city in the world at the time, with several hundred thousand residents inside a timber palisade 33 km long.
The clock: Patna keeps UTC+5:30. Nalanda, about 90 km away, was one of the world's first residential universities, operating from the 5th to the 12th century.
Annual Daylight
Working Hours
6.5h overlap