Updating current time…
IST
12am
3am
6am
9am
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3pm
6pm
9pm
CambodiaICT
UTC+7
12am
3am
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9am
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6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 13, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 13, 2026

IST is 1 hour and 30 minutes behind Phnom Penh.

How the time difference changes

IST is 1 hour and 30 minutes behind Phnom Penh year-round.

Working hours of 9:00 am to 5:00 pm in IST correspond to 10:30 am to 6:30 pm in Phnom Penh.Working hours of 09:00 to 17:00 in IST correspond to 10:30 to 18:30 in Phnom Penh.

Compare IST time with Phnom Penh time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 1 hour and 30 minutes behind ICT (Indochina Time).
5:30 pm17:30 in IST is 7:00 pm19:00 in Phnom Penh, Cambodia

IST to Phnom Penh call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in IST which corresponds to 10:30am-5pm10:30-17:00 in Phnom Penh

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 ICT (Indochina Time) (Phnom Penh, Cambodia). Offset UTC +7:00 hours

5:30 pm17:30 IST / 7:00 pm19:00 Phnom Penh, Cambodia

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
ISTPhnom Penh, Cambodia
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12:30am next day
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00:30 next day

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Phnom Penh Time Zone and Facts

Time Zone

Abbreviation / Offset
ICT – Indochina Time, UTC+7 (no daylight saving time)

Phnom Penh Facts

Country
Cambodia
Alternative Names
Krong Chaktomuk, Nam Van, Nam-Vang, Nom Pen, PNH, Phnom Pen, Phnom Penh, Phnom Pénh, Phnom-Penh, Phnompen, Phnompenh, Phnum Penh, Phnum Peny, Phnum Pénh, Phnum Pény, Phnôm Pênh, Phon Phen, Pnampen', Pnom Pehn', Pnom Pen, Pnom Pen'ch, Pnom Pene, Pnom Penh, Pnom-Peno, Pnompen, Pnompen', Pnompena, Pnompenis, Pnompeņa, Ville de Phnom Penh, bnwm bnh, fnwm pn, fnwm pېn, jin bian, namapenha, panoma pena, peunompen, phnm pen, phnmpey, pnwm pn, punom pen, punonpen, Πνομ Πενχ, Пнампень, Пном Пен, Пном Пэнь, Пномпень, Պնոմպեն, פנום פן, بنوم بنه, فنوم پن, فنوم پېن, پنوم پن, پنوم‌پن, پنۆم پێن, नामपेन्ह, पनॉम पेन, প্‌নম পেন, புனோம் பென், พนมเปญ, พนมเปณ, ཕོམ་ཕེན།, ဖနွမ်းပင်မြို့, პნომპენი, ፕኖም ፔን, ភនកពងតរាច, ភនពេញ, ភ្នំកំពង់ត្រាច, ភ្នំពេញ, プノンペン, 金边, 프놈펜
Population
1,573,544
Currency
Riels (KHR)
Geographic Coordinates
11° 33' N Latitude / 104° 54' E Longitude
International Dialing Code
+855