Kolkata to Mumbai Time Difference
Kolkata and Mumbai are in the same time zone — no time difference.
Kolkata (UTC+5:30) → Kolkata (UTC+5:30)
🕐 Interactive Time Explorer
When it's 19:00 in Kolkata, it's 19:00 in Mumbai
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Kolkata & Mumbai✓ Perfect Match (8 hours)
✈️ Travel Information
Distance
1,654 km
Est. Flight Time
~2.9h
Time Difference
0h
Work Hours Overlap
8h
Excellent
🔴 Office Closed
Today 09:00
09:00 - 17:00
⏰ Quick Conversion
06:00
Kolkata
06:00
Mumbai
09:00
Kolkata
09:00
Mumbai
12:00
Kolkata
12:00
Mumbai
15:00
Kolkata
15:00
Mumbai
18:00
Kolkata
18:00
Mumbai
21:00
Kolkata
21:00
Mumbai
00:00
Kolkata
00:00
Mumbai
03:00
Kolkata
03:00
Mumbai
Frequently Asked Questions
Is there a time difference between Kolkata and Mumbai?
Kolkata and Mumbai share the same UTC offset — there is no time difference between them. Kolkata operates on Asia/Kolkata (UTC+5.5), while Mumbai uses Asia/Kolkata (UTC+5.5).
What is the best time to call Mumbai from Kolkata?
There are 8 hours of overlapping business time (9 AM–5 PM) between Kolkata and Mumbai. The best window is 09:00–17:00 Kolkata time (09:00–17:00 in Mumbai).
Does the Kolkata to Mumbai time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Kolkata and Mumbai
The distance between Kolkata and Mumbai is approximately 1,654 km. A direct flight typically takes around 2.9 hours. Your arrival clock will show local Mumbai time — use our Flight Time Calculator to predict exact arrival times.