Shanghai to Kolkata Time Comparison
Plan meetings and travel between Shanghai and Kolkata with live local times. All conversions use the IANA time-zone database and update automatically when either city changes for daylight saving time.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| Shanghai (Shanghai) | Kolkata (Kolkata) |
|---|---|
| 12:00 AM | 09:30 PM(Fri, Jul 24) |
| 01:00 AM | 10:30 PM(Fri, Jul 24) |
| 02:00 AM | 11:30 PM(Fri, Jul 24) |
| 03:00 AM | 12:30 AM |
| 04:00 AM | 01:30 AM |
| 05:00 AM | 02:30 AM |
| 06:00 AM | 03:30 AM |
| 07:00 AM | 04:30 AM |
| 08:00 AM | 05:30 AM |
| 09:00 AM | 06:30 AM |
| 10:00 AM | 07:30 AM |
| 11:00 AM | 08:30 AM |
| 12:00 PM | 09:30 AM |
| 01:00 PM | 10:30 AM |
| 02:00 PM | 11:30 AM |
| 03:00 PM | 12:30 PM |
| 04:00 PM | 01:30 PM |
| 05:00 PM | 02:30 PM |
| 06:00 PM | 03:30 PM |
| 07:00 PM | 04:30 PM |
| 08:00 PM | 05:30 PM |
| 09:00 PM | 06:30 PM |
| 10:00 PM | 07:30 PM |
| 11:00 PM | 08:30 PM |
Daylight saving time
Neither Shanghai nor Kolkata observes daylight saving time — the offset between Shanghai and Kolkata is fixed year-round.
Working-hours overlap
12 PM–5 PM Shanghai (9 AM–2 PM Kolkata) — the shared 9-to-5 window for meetings.
Frequently asked questions
What is the time difference between Shanghai and Kolkata?+
Kolkata (UTC+05:30) is currently 2 hours 30 minutes behind Shanghai (UTC+08:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does Shanghai or Kolkata observe daylight saving time?+
Neither Shanghai nor Kolkata observes daylight saving time, so the offset stays fixed all year. Times on this page always reflect the current local rules.
What are the best meeting hours between Shanghai and Kolkata?+
Standard 9–5 working hours in Shanghai and Kolkata overlap from 12 PM to 5 PM Shanghai (9 AM–2 PM Kolkata). Schedule calls inside this window to keep both sides in normal business hours.
How do I quickly convert Shanghai to Kolkata?+
Use the live clocks and 24-hour reference table above. Pick any hour on the Shanghai row to see the matching Kolkata time. The Event Planner also lets you pick a specific date and share it with attendees.