Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

PET to IST

+10h 30m

PET

PETSOURCE

UTC-05:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

IST

UTC+05:30

HH10

MM30

22:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

PET

IST

12:00 AM

10:30 AM

2:00 AM

12:30 PM

4:00 AM

2:30 PM

6:00 AM

4:30 PM

8:00 AM

6:30 PM

10:00 AM

8:30 PM

12:00 PM

10:30 PM

2:00 PM

12:30 AM+1

4:00 PM

2:30 AM+1

6:00 PM

4:30 AM+1

8:00 PM

6:30 AM+1

10:00 PM

8:30 AM+1

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

PET and IST on the World Map

The map below highlights the PET (Peru Time) and IST (India Standard Time) timezone regions across the globe.

PET Zone

→

IST Zone

Explore all world timezones interactively →

PET – Peru Time

UTC-05:00

Peru Time (PET) is the standard time for Peru, 5 hours behind UTC.

Countries in PET

Peru

Major Cities in PET

LimaArequipaTrujilloCuscoCallao

Key Facts about PET

•Peru does not observe daylight saving time.
•PET is the same offset as EST (UTC-05:00).
•Lima is the 5th largest city in the Americas.

Daylight Saving:No – UTC-05:00 year-round

Learn more about PET 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

Everything You Need to Know About PET and IST Time

PET runs on Peru Time (PET) at UTC-05:00. IST runs on India Standard Time (IST) at UTC+05:30. That puts PET 10 hours 30 minutes ahead of IST — a difference of +10h 30m at the current offsets.

In practice, when it is 9:00 AM in PET it is 7:30 PM in IST. Midnight in PET is 10:30 AM in IST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

PET to IST time conversion table

PET (PET)	IST (IST)	Day
12:00 AM	10:30 AM	same day
6:00 AM	4:30 PM	same day
7:00 AM	5:30 PM	same day
8:00 AM	6:30 PM	same day
9:00 AM	7:30 PM	same day
12:00 PM	10:30 PM	same day
3:00 PM	1:30 AM	next day
5:00 PM	3:30 AM	next day
6:00 PM	4:30 AM	next day
9:00 PM	7:30 AM	next day

Why people convert PET to IST time

Scheduling a call from PET to IST: a 10:00 AM start in PET lands at 8:30 PM in IST, so you can confirm the slot without doing the arithmetic yourself.
Handling a +10h 30m gap: PET and IST 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 IST is 7:30 PM in PET.
Keeping family and friends in sync: knowing that 8:00 PM in PET is 6:30 AM in IST makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM PET" is unambiguous; "3 PM" across a +10h 30m gap is not.
With a +10h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week PET takes the early slot, the next week IST does.

About PET (Peru Time)

Peru Time (PET) is the time zone used throughout Peru. Peru does not observe daylight saving time. PET shares the same offset as EST (UTC-05:00). Lima, the capital, is the economic center of Peru.

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 PET and IST

With a +10h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. IST opens at 9:00 AM IST, which is 7:30 PM in PET, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

PET and IST have no shared working hours because of the +10h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.

PET is 10 hours 30 minutes ahead of IST (PET UTC-05:00 → 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.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between PET and IST?

PET (PET, UTC-05:00) is 10 hours 30 minutes ahead of IST (IST, UTC+05:30). The gap is currently +10h 30m.

How do I convert PET time to IST time?

Add +10h 30m to PET local time. For example, 9:00 AM in PET is 7:30 PM in IST.

What time is it in IST right now?

IST 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 +10h 30m offset from PET.