What time is it in Siwan, Bihar, India
Below you can see what the time is in Siwan, Bihar, India now, in the Asia/Kolkata zone (+5:30).
Siwan, India
Saturday, 17 October 2026
UTC+5:30 · Asia/Kolkata
Local time in Siwan
UTC+5:30 · no daylight saving time
Siwan keeps Asia/Kolkata clock_time.
The sun today
Sunrise 5:53 AM Solar noon 11:38 AM Sunset 5:24 PM Daylight 11 h 31 min Night 12 h 29 min Civil twilight 5:29 AM – 5:47 PM
Weather in Siwan right now
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Weather data by Open-Meteo, updated every 30 minutes.
Siwan and its neighbours
Postal codes
- 136033
- 229126
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Bihar
- Patna 1 684 297
- Gaya 474 093
- Bhāgalpur 400 146
- Muzaffarpur 354 462
- Bihar Sharif 297 268
- Darbhanga 296 039
Other places named Siwan
- Sīwān Badghis, Afghanistan
- Siwan Zhejiang, China
- Siwan Henan, China
- Siwan Henan, China
- Siwan Taiwan, Taiwan
Same time zone — Asia/Kolkata
Nearby places
- Maharajgani — 6.3 km
- Sisai — 6.9 km
- Pengwara — 9.7 km
- Sarauti — 9.9 km
- Duraundha — 10.0 km
- Jasauli Kharag — 10.3 km
Time and daylight in Siwan
The zone that governs Siwan is Asia/Kolkata at UTC+5:30. Whether the clocks move seasonally: No.
For Siwan today, sunrise is 5:53 AM and sunset is 5:24 PM. Daylight lasts 11 h 31 min.
Siwan and its neighbours Maharajgani and Sisai keep one clock.
Siwan includes 2 postal codes.
Questions and answers
- Which time zone is local to Siwan?
- The time zone local to Siwan is Asia/Kolkata, with an offset of +5:30.
- Does the local schedule in Siwan include a clock change?
- No.
- When does the sun come up in Siwan?
- Sunrise in Siwan is at 5:53 AM.