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MDT to India

+11h 30m

MDT

MDTSOURCE
UTC-06:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

India

IST
UTC+05:30
HH11
:
MM30
  
23:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
MDT
India
12:00 AM
11:30 AM
2:00 AM
1:30 PM
4:00 AM
3:30 PM
6:00 AM
5:30 PM
8:00 AM
7:30 PM
10:00 AM
9:30 PM
12:00 PM
11:30 PM
2:00 PM
1:30 AM+1
4:00 PM
3:30 AM+1
6:00 PM
5:30 AM+1
8:00 PM
7:30 AM+1
10:00 PM
9:30 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

MDT and IST on the World Map

The map below highlights the MDT (Mountain Daylight Time) and IST (India Standard Time) timezone regions across the globe.

MDTISTDenverCalgaryEdmontonSalt Lake CityMumbaiDelhiBangaloreKolkata
MDT Zone
→
IST Zone

Explore all world timezones interactively →

MDT – Mountain Daylight Time

UTC-06:00

Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.

Countries in MDT
United States (Mountain)Canada (Alberta)
Major Cities in MDT
DenverCalgaryEdmontonSalt Lake CityBoise
Key Facts about MDT
  • •MDT shares the same offset as CST (UTC-06:00).
  • •Arizona does not switch to MDT, remaining on MST.
Daylight Saving:Yes – switches to MST
Learn more about MDT on Wikipedia

IST – India Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST
IndiaSri Lanka
Major Cities in IST
MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat
Key Facts about IST
  • •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
  • •India uses a single time zone despite spanning 30° of longitude.
  • •IST is one of only a handful of time zones with a 30-minute offset.
  • •IST is the most populous single time zone in the world with over 1.4 billion people.
  • •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
Daylight Saving:No – UTC+05:30 year-round
Learn more about IST on Wikipedia

MDT vs India: Offsets, DST and Best Call Times

MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. India runs on India Standard Time (IST) at UTC+05:30. That puts MDT 11 hours 30 minutes ahead of India — a difference of +11h 30m at the current offsets.

In practice, when it is 9:00 AM in MDT it is 8:30 PM in India. Midnight in MDT is 11:30 AM in India. Neither zone observes daylight saving time, so the offset between them stays constant all year.

MDT to India time conversion table

MDT (MDT)India (IST)Day
12:00 AM11:30 AMsame day
6:00 AM5:30 PMsame day
7:00 AM6:30 PMsame day
8:00 AM7:30 PMsame day
9:00 AM8:30 PMsame day
12:00 PM11:30 PMsame day
3:00 PM2:30 AMnext day
5:00 PM4:30 AMnext day
6:00 PM5:30 AMnext day
9:00 PM8:30 AMnext day

Why people convert MDT to India time

  • Scheduling a call from MDT to India: a 10:00 AM start in MDT lands at 9:30 PM in India, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a +11h 30m gap: MDT and India have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in India is 8:30 PM in MDT.
  • Watching a live event or market open: MDT viewers need 8:30 PM in India to catch a 9:00 AM start there, and 12:30 PM if the event is anchored to MDT.
  • Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +11h 30m gap is not.
  • With a +11h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week MDT takes the early slot, the next week India does.

About MDT (Mountain Daylight Time)

Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.

About IST (India Standard Time)

India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.

Best time to call between MDT and India

With a +11h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. India opens at 9:00 AM IST, which is 8:30 PM in MDT, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

MDT and India have no shared working hours because of the +11h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.

MDT is 11 hours 30 minutes ahead of India (MDT UTC-06:00 → IST UTC+05:30). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

MDT

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

India

Does not observe DST

Frequently Asked Questions

What is the time difference between MDT and India?

MDT (MDT, UTC-06:00) is 11 hours 30 minutes ahead of India (IST, UTC+05:30). The gap is currently +11h 30m.

How do I convert MDT time to India time?

Add +11h 30m to MDT local time. For example, 9:00 AM in MDT is 8:30 PM in India.

What time is it in India right now?

India uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +11h 30m offset from MDT.

What is the best time to call India from MDT?

There is no shared working-hours window because of the +11h 30m gap. The closest option is 1:00 PM in MDT, which is 12:30 AM in India.

Which is ahead, MDT or India?

MDT is 11 hours 30 minutes ahead of India. When it is 12:00 PM in MDT it is 11:30 PM in India.

Do MDT and India use different time zones?

MDT uses MDT at UTC-06:00, while India (India) uses IST at UTC+05:30. The IANA identifiers are America/Denver and Asia/Kolkata.

Does daylight saving time affect the MDT–India difference?

Neither zone observes daylight saving time, so the +11h 30m offset between MDT and India is fixed all year.

Which other cities share MDT's time zone?

MDT also covers Denver, Calgary, Edmonton, Salt Lake City, Boise.

Which countries use MDT, MDT's zone?

MDT is used in United States (Mountain), Canada (Alberta).

Is there a day difference between MDT and India?

Not normally. The +11h 30m gap only pushes the date over for late-evening times.

What is the time difference between MDT and India?

India is +11h 30m from MDT.

What timezone is MDT in?

MDT operates on its local timezone.

What timezone is India in?

India operates on its local timezone.

Which countries use MDT (Mountain Daylight Time)?

MDT is used in United States (Mountain), Canada (Alberta).

Does MDT observe daylight saving time?

Yes, MDT switches to MST during summer months.

What are some interesting facts about MDT?

MDT shares the same offset as CST (UTC-06:00). Arizona does not switch to MDT, remaining on MST.

Which cities are in the IST timezone?

Major cities in the IST timezone include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad.

What is the UTC offset for IST?

India Standard Time (IST) is at UTC+05:30.

What should I know about the IST timezone?

India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.

When is it midnight in MDT, what time is it in India?

When it is 12:00 AM (midnight) in MDT (MDT), it is +11h 30m later in India (IST).