GST to IST Time Converter

Convert Gulf Standard Time to Indian Standard Time - Quick & Accurate

Dubai (GST)
Mumbai (IST)
IST is 1 hour 30 minutes ahead of GST

Quick Time Conversion

Dubai
Gulf Standard Time
UTC+4
Mumbai
Indian Standard Time
UTC+5:30

Current Time Right Now

Gulf Standard Time (GST)
Indian Standard Time (IST)

Updates live every second

24-Hour Visual Comparison

GST (Dubai)
12am GST
1am GST
2am GST
3am GST
4am GST
5am GST
6am GST
7am GST
8am GST
9am GST
10am GST
11am GST
12pm GST
1pm GST
2pm GST
3pm GST
4pm GST
5pm GST
6pm GST
7pm GST
8pm GST
9pm GST
10pm GST
11pm GST
12a6a12p6p12a
IST (Mumbai)
1am IST
2am IST
3am IST
4am IST
5am IST
6am IST
7am IST
8am IST
9am IST
10am IST
11am IST
12pm IST
1pm IST
2pm IST
3pm IST
4pm IST
5pm IST
6pm IST
7pm IST
8pm IST
9pm IST
10pm IST
11pm IST
12am IST
1:30a7:30a1:30p7:30p1:30a
Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between GST and IST:

Best Window (GST)
7:00 AM - 3:30 PM
Which is (IST)
8:30 AM - 5:00 PM
Both parties in business hours
8.5-hour overlap window
Ideal for Gulf-India collaboration

Pro Tip: Schedule calls between 9:00 AM - 3:00 PM GST for maximum overlap with IST business hours

Complete GST to IST Conversion Table

GST TimeIST TimeContext
12:00 AM01:30 AM
Midnight Dubai
01:00 AM02:30 AM
Late Night
02:00 AM03:30 AM
Late Night
03:00 AM04:30 AM
Late Night
04:00 AM05:30 AM
Late Night
05:00 AM06:30 AM
Late Night
06:00 AM07:30 AM
Night Time
07:00 AM08:30 AM
Work Starts GST
08:00 AM09:30 AM
Meeting Window
09:00 AM10:30 AM
Meeting Window
10:00 AM11:30 AM
Meeting Window
11:00 AM12:30 PM
Meeting Window

Gulf Standard Time (GST)

UTC+4
No daylight saving time
Major Cities:
  • • Dubai
  • • Abu Dhabi
  • • Sharjah
Daylight Saving:

Not observed

IANA Identifier:

Asia/Dubai

Indian Standard Time (IST)

UTC+5:30
No daylight saving time
Major Cities:
  • • Mumbai
  • • Delhi
  • • Bangalore
Daylight Saving:

Not observed

IANA Identifier:

Asia/Kolkata

Gulf Standard Time (GST) vs Indian Standard Time (IST)

Gulf Standard Time (GST)Indian Standard Time (IST)

Gulf Standard Time (GST) is 4 hours ahead of Coordinated Universal Time (UTC+4). The UAE does not observe daylight saving time, so the offset remains constant throughout the year.

Indian Standard Time (IST) is 5 hours 30 minutes ahead of Coordinated Universal Time (UTC+5:30). India does not observe daylight saving time, maintaining the same offset year-round.

Where Is It Used?

  • United Arab Emirates: Dubai, Abu Dhabi, Sharjah, Ajman
  • Oman: Muscat
  • Other regions: Parts of the Arabian Peninsula
  • All of India: Mumbai, Delhi, Bangalore, Kolkata, Chennai
  • Sri Lanka: Colombo (uses same offset)
  • Coverage: Over 1.4 billion people

Key Facts

  • UTC Offset: UTC+4
  • Region: Middle East / Arabian Peninsula
  • Known For: Major business hub connecting East and West
  • Largest City: Dubai (3.5M metro area)
  • Daylight Saving: Not observed
  • UTC Offset: UTC+5:30
  • Region: South Asia
  • Known For: Large IT industry and outsourcing
  • Largest City: Mumbai (20M+ metro area)
  • Unique Feature: Half-hour offset from standard zones
  • Daylight Saving: Not observed

Quick Reference

Time Difference: IST is 1 hour 30 minutes ahead of GST year-round
Consistency: This difference remains constant as neither region observes DST
Distance: Approximately 1,900 km between Dubai and Mumbai
UTC Offsets: GST = UTC+4 | IST = UTC+5:30

Frequently Asked Questions

GST (Gulf Standard Time) is 1 hour 30 minutes behind IST (Indian Standard Time). This means when it's 12:00 PM in Dubai (GST), it's 1:30 PM in Mumbai (IST).

The best time to call from GST to IST is between 7:00 AM and 3:30 PM GST, which corresponds to 8:30 AM to 5:00 PM IST. This ensures both parties are within standard business hours.

No, neither GST nor IST observe Daylight Saving Time. The time difference remains constant at 1 hour 30 minutes throughout the year.

GST cities include Dubai, Abu Dhabi, and Sharjah in the UAE. IST cities include Mumbai, Delhi, Bangalore, Kolkata, and Chennai in India.

GST is UTC+4 and IST is UTC+5:30. India chose a half-hour offset to better align with solar time across the country, resulting in the 1.5-hour difference.