What time is it in Siwan, Bihar, India
Use this page to see what time it is in Siwan, Bihar, India — the Asia/Kolkata zone applies there (+5:30).
Siwan, India
Friday, 4 September 2026
UTC+5:30 · Asia/Kolkata
Local time in Siwan
UTC+5:30 · no daylight saving time
Siwan keeps Asia/Kolkata time.
The sun today
Sunrise 5:34 AM Solar noon 11:53 AM Sunset 6:11 PM Daylight 12 h 36 min Night 11 h 24 min Civil twilight 5:11 AM – 6:34 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
Today's sun rises in Siwan at 5:34 AM, then sets at 6:11 PM. The day offers 12 h 36 min of daylight.
Places close to Siwan, among them Maharajgani and Lahladpur, share its time.
The register holds 2 postal codes for Siwan.
The zone that governs Siwan is Asia/Kolkata at UTC+5:30. Whether the clocks move seasonally: No.
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 5:34 AM.