MDT to IST Time Converter

Convert Mountain Daylight Time (MDT) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 11h 30m ahead.

Denver · Mountain Daylight Time
10:29:22
Monday, May 11, 2026
MDT · UTC-06:00
Mumbai · India Standard Time
21:59:22
Monday, May 11, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: MDT (Denver)
To: IST (Mumbai)
--:--

Daylight Saving status right now

MDT (Mountain Daylight Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-06:00 → UTC-07:00
IST (India Standard Time)
Observes DST
No

Heads up: MDT observes DST while IST does not. The 11.5-hour difference shown above will shift by one hour when MDT starts or ends DST.

When can MDT and IST meet?

00
01
02
03
04
05
06
07
08
09
10
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12
13
14
15
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18
19
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23
MDT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Denver (MDT). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between MDT and IST.
The two zones are too far apart for synchronous meetings during normal working hours. Plan async or schedule outside 9-5 on at least one side.

Hour-by-hour MDT to IST conversion table

MDT time (Denver)IST time (Mumbai)Status
00:00 Mon11:30 MonIST working
01:00 Mon12:30 MonIST working
02:00 Mon13:30 MonIST working
03:00 Mon14:30 MonIST working
04:00 Mon15:30 MonIST working
05:00 Mon16:30 MonIST working
06:00 Mon17:30 MonOff-hours both sides
07:00 Mon18:30 MonOff-hours both sides
08:00 Mon19:30 MonOff-hours both sides
09:00 Mon20:30 MonMDT working
10:00 Mon21:30 MonMDT working
11:00 Mon22:30 MonMDT working
12:00 Mon23:30 MonMDT working
13:00 Mon00:30 TueMDT working
14:00 Mon01:30 TueMDT working
15:00 Mon02:30 TueMDT working
16:00 Mon03:30 TueMDT working
17:00 Mon04:30 TueOff-hours both sides
18:00 Mon05:30 TueOff-hours both sides
19:00 Mon06:30 TueOff-hours both sides
20:00 Mon07:30 TueOff-hours both sides
21:00 Mon08:30 TueOff-hours both sides
22:00 Mon09:30 TueIST working
23:00 Mon10:30 TueIST 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

Mountain Daylight Time (MDT)
IANA identifier
America/Denver
Current UTC offset
UTC-06:00
Current abbreviation
MDT
Major cities in this zone
DenverPhoenixSalt Lake CityAlbuquerque
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

Sun today in Denver and Mumbai

Denver
Sunrise
05:50
Sunset
20:04
Solar noon
12:57
Daylight
14h 14m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m

Related converters

IST to MDT (reverse)MDT to ESTMDT to PSTMDT to GMTMDT to UTCMDT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Denver or time in Mumbai.

Frequently asked questions

What is the time difference between MDT and IST right now?+
IST (India Standard Time) is currently 11h 30m ahead MDT (Mountain Daylight Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does MDT or IST observe daylight saving time?+
MDT: observes daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between MDT and IST?+
MDT and IST have no business-hour overlap, even at the edges of a typical workday. Async collaboration or non-9-5 scheduling is the practical choice.
What time is it in Mumbai when it is 12:00 noon in Denver?+
When it is 12:00 Mon in Denver (MDT), it is 23:30 Mon in Mumbai (IST).
Which IANA time zone identifiers are used for MDT and IST?+
MDT maps to "America/Denver" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Denver ahead of or behind Mumbai?+
Whether Denver (MDT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 11h 30m ahead MDT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for MDT and IST?+
MDT is UTC-06:00 (MDT) and IST is UTC+05:30 (GMT+5:30). 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 MDT and IST?+
No standard business-hours overlap exists between MDT and IST. Plan asynchronous work or schedule outside 9-5 on at least one side.