Kolkata to Dubai Time

Live IST ↔ GST time converter · West Bengal, India → UAE

Kolkata IST (Indian Standard Time) · UTC+05:30
--:--:--
West Bengal, India
1.5h behind IST
UTC+4
Dubai GST (Gulf Standard Time) · UTC+4
--:--:--
UAE

24-Hour Overlap Timeline

✅ Overlap: 10:00 AM–6:00 PM in Kolkata · 9:00 AM–5:00 PM in Dubai (8h window)
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UTC →
🇮🇳 Kolkata UTC+5:30 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a
🇦🇪 Dubai UTC+4 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a
Both working Working Off hours Sleeping Now

IST (Indian Standard Time) to Dubai (GST (Gulf Standard Time)) Conversion Table

All 24 hours of the day · based on GST (Gulf Standard Time).
✅ Both in business hours 🔵 India office hours only 🟢 Dubai office hours only

IST (Indian Standard Time) — Kolkata Dubai — GST Working hours
12:00 AM IST (Indian Standard Time) 10:30 PM GST −1 day
1:00 AM IST (Indian Standard Time) 11:30 PM GST −1 day
2:00 AM IST (Indian Standard Time) 12:30 AM GST
3:00 AM IST (Indian Standard Time) 1:30 AM GST
4:00 AM IST (Indian Standard Time) 2:30 AM GST
5:00 AM IST (Indian Standard Time) 3:30 AM GST
6:00 AM IST (Indian Standard Time) 4:30 AM GST
7:00 AM IST (Indian Standard Time) 5:30 AM GST
8:00 AM IST (Indian Standard Time) 6:30 AM GST
9:00 AM IST (Indian Standard Time) 7:30 AM GST 🔵 India only
10:00 AM IST (Indian Standard Time) 8:30 AM GST 🔵 India only
11:00 AM IST (Indian Standard Time) 9:30 AM GST ✅ overlap
12:00 PM IST (Indian Standard Time) 10:30 AM GST ✅ overlap
1:00 PM IST (Indian Standard Time) 11:30 AM GST ✅ overlap
2:00 PM IST (Indian Standard Time) 12:30 PM GST ✅ overlap
3:00 PM IST (Indian Standard Time) 1:30 PM GST ✅ overlap
4:00 PM IST (Indian Standard Time) 2:30 PM GST ✅ overlap
5:00 PM IST (Indian Standard Time) 3:30 PM GST ✅ overlap
6:00 PM IST (Indian Standard Time) 4:30 PM GST 🟢 GST only
7:00 PM IST (Indian Standard Time) 5:30 PM GST
8:00 PM IST (Indian Standard Time) 6:30 PM GST
9:00 PM IST (Indian Standard Time) 7:30 PM GST
10:00 PM IST (Indian Standard Time) 8:30 PM GST
11:00 PM IST (Indian Standard Time) 9:30 PM GST
🇮🇳 Travel Guide

Explore Kolkata — Top Attractions & Travel Guide

Discover top attractions, local tips and hidden gems in Kolkata on india-guide.in — India's curated travel destination guide.

Explore Kolkata on india-guide.in →

Best Time to Call Dubai from Kolkata

Business Hours Overlap 10:30 AM – 6:00 PM IST

Both Kolkata and Dubai are in standard business hours simultaneously during this window. Schedule meetings, investor calls, or client demos in this slot for maximum availability.

Morning India call
9:00 AM IST
7:30 AM GST
Midday call
12:00 PM IST
10:30 AM GST
End of India day
6:00 PM IST
4:30 PM GST
🇮🇳

Kolkata, India

Time zone: IST (UTC+05:30) — fixed, no DST
State: West Bengal

Kolkata is eastern India's commercial and cultural hub, and serves as the gateway to north-east India and Bangladesh. The city's jute, tea, and coal trade built British India. Today it houses the Calcutta Stock Exchange and is a growing IT destination. Kolkata's intellectual and literary tradition makes it India's cultural capital. It is the closest major Indian city to South-East Asia, with strong historic trade ties.

  • Gateway to North-East India and Bangladesh
  • Calcutta Stock Exchange — India's second oldest
  • India's dominant jute, tea, and coal trading centre historically
  • Closest major India city to South-East Asian markets
🇮🇳 Explore Kolkata attractions on india-guide.in →
🇦🇪

Dubai, UAE

Time zone: GST (UTC+4, no DST)
Region: Middle East

Dubai is the UAE's commercial capital and the gateway between India and the Western world. With over 3.5 million Indians making it the largest expat nationality in UAE, Dubai has become an extension of Indian business culture. The Dubai International Financial Centre (DIFC) hosts Indian banks, law firms, and investment companies. Indian workers send billions of dollars home from Dubai annually.

  • Largest Indian community outside India
  • No DST — stable 1.5h behind IST year-round
  • UAE's work week is Sun–Thu
  • Indian rupee informally accepted
India connections: 3.5 million Indians — largest expat community in UAE. Indian rupee accepted at many stores. Over 30 direct daily flights from Indian cities. Indian food, temples, and Bollywood cinemas across the city.

Frequently Asked Questions

What is the time difference between Kolkata and Dubai?
Dubai is always 1.5h behind IST year-round. UAE does not observe daylight saving time.
What is 9 AM IST in Dubai?
9:00 AM IST (Kolkata) = 7:30 AM GST in Dubai.
What is the best time to schedule a meeting between Kolkata and Dubai?
The optimal meeting window is 10:30 AM–6:00 PM IST when both Kolkata and Dubai offices are open. Book in this window to avoid after-hours calls.
Does India observe daylight saving time (DST)?
No. India (IST, UTC+5:30) does not observe daylight saving time and has not done so since 1945. Indian Standard Time is fixed year-round. This means that when Dubai also does not change, so the Kolkata–Dubai offset is perfectly stable all year.
Why is India on a half-hour timezone (UTC+5:30)?
India's UTC+5:30 offset was established in 1905 as a compromise between the time zones of Bombay (UTC+4:52) and Calcutta (UTC+5:54) when India unified under British rule. Several countries use half-hour or quarter-hour offsets — including Nepal (UTC+5:45), Iran (UTC+3:30), and parts of Australia (UTC+9:30) — to better align solar noon with clock noon across their territory.