IST to GYT Time Converter

Convert India Standard Time (IST) to Guyana Time (GYT). Both time zones are shown live below; current offset between them is 9h 30m behind.

Mumbai · India Standard Time
03:57:35
Friday, May 15, 2026
GMT+5:30 · UTC+05:30
Georgetown · Guyana Time
18:27:35
Thursday, May 14, 2026
GMT-4 · UTC-04:00

Convert a specific time

From: IST (Mumbai)
To: GYT (Georgetown)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
GYT (Guyana Time)
Observes DST
No

When can IST and GYT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
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23
IST
GYT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 18:00–18:00 IST (08:30–08:30 GYT).

Hour-by-hour IST to GYT conversion table

IST time (Mumbai)GYT time (Georgetown)Status
00:00 Fri14:30 ThuGYT working
01:00 Fri15:30 ThuGYT working
02:00 Fri16:30 ThuGYT working
03:00 Fri17:30 ThuOff-hours both sides
04:00 Fri18:30 ThuOff-hours both sides
05:00 Fri19:30 ThuOff-hours both sides
06:00 Fri20:30 ThuOff-hours both sides
07:00 Fri21:30 ThuOff-hours both sides
08:00 Fri22:30 ThuOff-hours both sides
09:00 Fri23:30 ThuIST working
10:00 Fri00:30 FriIST working
11:00 Fri01:30 FriIST working
12:00 Fri02:30 FriIST working
13:00 Fri03:30 FriIST working
14:00 Fri04:30 FriIST working
15:00 Fri05:30 FriIST working
16:00 Fri06:30 FriIST working
17:00 Fri07:30 FriOff-hours both sides
18:00 Fri08:30 FriOff-hours both sides
19:00 Fri09:30 FriGYT working
20:00 Fri10:30 FriGYT working
21:00 Fri11:30 FriGYT working
22:00 Fri12:30 FriGYT working
23:00 Fri13:30 FriGYT working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata
Guyana Time (GYT)
IANA identifier
America/Guyana
Current UTC offset
UTC-04:00
Current abbreviation
GMT-4
Major cities in this zone
Georgetown

Sun today in Mumbai and Georgetown

Mumbai
Sunrise
06:05
Sunset
19:06
Solar noon
12:36
Daylight
13h 1m

Related converters

GYT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to GYTPST to GYTGMT to GYTUTC to GYTCET to GYT
Looking for local time? See time in Mumbai or time in Georgetown.

Frequently asked questions

What is the time difference between IST and GYT right now?+
GYT (Guyana Time) is currently 9h 30m behind IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or GYT observe daylight saving time?+
IST: does not observe daylight saving time. GYT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and GYT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 18:00–18:00 IST (08:30–08:30 GYT).
What time is it in Georgetown when it is 12:00 noon in Mumbai?+
When it is 12:00 Fri in Mumbai (IST), it is 02:30 Fri in Georgetown (GYT).
Which IANA time zone identifiers are used for IST and GYT?+
IST maps to "Asia/Kolkata" in the IANA database. GYT maps to "America/Guyana". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Georgetown?+
Whether Mumbai (IST) is ahead of or behind Georgetown (GYT) depends on the current UTC offsets. Right now GYT is 9h 30m behind IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and GYT?+
IST is UTC+05:30 (GMT+5:30) and GYT is UTC-04:00 (GMT-4). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IST and GYT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between IST and GYT is 18:00–18:00 IST.