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.

WIB to PET

-12h

WIB

WIBSOURCE

UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

PET

UTC-05:00

HH12

MM00

00:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

WIB

PET

12:00 AM

12:00 PM-1

2:00 AM

2:00 PM-1

4:00 AM

4:00 PM-1

6:00 AM

6:00 PM-1

8:00 AM

8:00 PM-1

10:00 AM

10:00 PM-1

12:00 PM

12:00 AM

2:00 PM

2:00 AM

4:00 PM

4:00 AM

6:00 PM

6:00 AM

8:00 PM

8:00 AM

10:00 PM

10:00 AM

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

WIB and PET on the World Map

The map below highlights the WIB (Western Indonesia Time) and PET (Peru Time) timezone regions across the globe.

WIB Zone

→

PET Zone

Explore all world timezones interactively →

WIB – Western Indonesia Time

UTC+07:00

Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.

Countries in WIB

Indonesia (Java, Sumatra, West Kalimantan)

Major Cities in WIB

JakartaSurabayaBandungMedanPalembang

Key Facts about WIB

•Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
•Indonesia has not observed daylight saving time since 1964.
•Jakarta is the largest city in Southeast Asia by population.
•WIB shares the UTC+07:00 offset with Indochina Time.

Daylight Saving:No – UTC+07:00 year-round

Learn more about WIB on Wikipedia

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

WIB to PET Time Difference – Complete Guide

WIB runs on Western Indonesia Time (WIB) at UTC+07:00. PET runs on Peru Time (PET) at UTC-05:00. That puts WIB 12 hours behind PET — a difference of -12h at the current offsets.

In practice, when it is 9:00 AM in WIB it is 9:00 PM in PET on the previous day. Midnight in WIB is 12:00 PM in PET. Neither zone observes daylight saving time, so the offset between them stays constant all year.

WIB to PET time conversion table

WIB (WIB)	PET (PET)	Day
12:00 AM	12:00 PM	previous day
6:00 AM	6:00 PM	previous day
7:00 AM	7:00 PM	previous day
8:00 AM	8:00 PM	previous day
9:00 AM	9:00 PM	previous day
12:00 PM	12:00 AM	same day
3:00 PM	3:00 AM	same day
5:00 PM	5:00 AM	same day
6:00 PM	6:00 AM	same day
9:00 PM	9:00 AM	same day

Why people convert WIB to PET time

Scheduling a call from WIB to PET: a 10:00 AM start in WIB lands at 10:00 PM in PET the previous day, so you can confirm the slot without doing the arithmetic yourself.
Handling a -12h gap: WIB and PET 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 PET is 9:00 PM in WIB.
Coordinating a WIB-based team with PET contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -12h gap is not.
With a -12h gap there is no shared 9-to-5 window, so alternate the early start: one week WIB takes the early slot, the next week PET does.

About WIB (Western Indonesia Time)

Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.

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.

Best time to call between WIB and PET

With a -12h offset there is no overlap inside a normal 9 AM – 5 PM day. PET opens at 9:00 AM PET, which is 9:00 PM in WIB, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

WIB and PET have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.

WIB is 12 hours behind PET (WIB UTC+07:00 → PET UTC-05:00). 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 WIB and PET?

WIB (WIB, UTC+07:00) is 12 hours behind PET (PET, UTC-05:00). The gap is currently -12h.

How do I convert WIB time to PET time?

Add -12h to WIB local time. For example, 9:00 AM in WIB is 9:00 PM in PET (previous day).

What time is it in PET right now?

PET uses PET at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h offset from WIB.