Colombo to EET
-3h 30mColombo
ISTSOURCEEET
EETGreen rows indicate typical business hours (9 AM - 5 PM)
IST and EET on the World Map
The map below highlights the IST (India Standard Time) and EET (Eastern European Time) timezone regions across the globe.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •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.
EET – Eastern European Time
UTC+02:00Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.
- •EET covers countries across three continents: Europe, Asia, and Africa.
- •Cairo is the most populous city in the EET zone.
- •Turkey used to be on EET but permanently moved to UTC+03:00 in 2016.
- •Finland, the Baltic states, and Greece all use EET.
About Colombo
WikipediaColombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.
Everything You Need to Know About Colombo and EET Time
Colombo runs on India Standard Time (IST) at UTC+05:30. EET runs on Eastern European Time (EET) at UTC+02:00. That puts Colombo 3 hours 30 minutes behind EET — a difference of -3h 30m at the current offsets.
In practice, when it is 9:00 AM in Colombo it is 5:30 AM in EET. Midnight in Colombo is 8:30 PM in EET. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Colombo to EET time conversion table
| Colombo (IST) | EET (EET) | Day |
|---|---|---|
| 12:00 AM | 8:30 PM | previous day |
| 6:00 AM | 2:30 AM | same day |
| 7:00 AM | 3:30 AM | same day |
| 8:00 AM | 4:30 AM | same day |
| 9:00 AM | 5:30 AM | same day |
| 12:00 PM | 8:30 AM | same day |
| 3:00 PM | 11:30 AM | same day |
| 5:00 PM | 1:30 PM | same day |
| 6:00 PM | 2:30 PM | same day |
| 9:00 PM | 5:30 PM | same day |
Why people convert Colombo to EET time
- Scheduling a call from Colombo to EET: a 10:00 AM start in Colombo lands at 6:30 AM in EET, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Colombo and EET are inside the 9-to-5 working day between 12:30 PM and 5:00 PM IST time (9:00 AM–1:30 PM EET). That is roughly 4 hours 30 minutes of usable overlap.
- Watching a live event or market open: Colombo viewers need 5:30 AM in EET to catch a 9:00 AM start there, and 3:30 AM if the event is anchored to Colombo.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -3h 30m gap is not.
- Block 12:30 PM–5:00 PM IST as the recurring meeting window if you work primarily from Colombo and need EET colleagues present.
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.
About EET (Eastern European Time)
Eastern European Time (EET) covers a wide geographical area including Eastern Europe (Finland, Greece, Romania, Bulgaria, Ukraine), the Middle East (Israel, Lebanon, Jordan), and northeastern Africa (Egypt, Libya). During summer, most EET countries switch to Eastern European Summer Time (EEST, UTC+03:00). Turkey permanently moved to UTC+03:00 in 2016, effectively leaving EET.
Best time to call between Colombo and EET
Both Colombo and EET sit inside the 9 AM – 5 PM working day between 12:30 PM–5:00 PM IST, which is 9:00 AM–1:30 PM EET. That gives roughly 4 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Colombo and EET overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
Colombo is 3 hours 30 minutes behind EET (IST UTC+05:30 → EET UTC+02:00). The shared working window is 12:30 PM–5:00 PM IST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Colombo
Does not observe DST
EET
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Colombo and EET?
Colombo (IST, UTC+05:30) is 3 hours 30 minutes behind EET (EET, UTC+02:00). The gap is currently -3h 30m.
How do I convert Colombo time to EET time?
Add -3h 30m to Colombo local time. For example, 9:00 AM in Colombo is 5:30 AM in EET.
What time is it in EET right now?
EET uses EET at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h 30m offset from Colombo.
What is the best time to call EET from Colombo?
Call between 12:30 PM and 5:00 PM IST — that maps to 9:00 AM–1:30 PM EET and keeps both parties inside the working day.
Which is behind, Colombo or EET?
Colombo is 3 hours 30 minutes behind EET. When it is 12:00 PM in Colombo it is 8:30 AM in EET.
Do Colombo and EET use different time zones?
Colombo (Sri Lanka) uses IST at UTC+05:30, while EET uses EET at UTC+02:00. The IANA identifiers are Asia/Colombo and Europe/Athens.
Does daylight saving time affect the Colombo–EET difference?
Neither zone observes daylight saving time, so the -3h 30m offset between Colombo and EET is fixed all year.
Which other cities share Colombo's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, Colombo's zone?
IST is used in India, Sri Lanka.
Is there a day difference between Colombo and EET?
Not normally. The -3h 30m gap only pushes the date over the previous day.
What is the time difference between Colombo and EET?
EET is -3h 30m from Colombo.
What timezone is Colombo in?
Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
What timezone is EET in?
EET operates on its local timezone.
What are the business hours in Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
Which countries use IST (India Standard Time)?
IST is used in India, Sri Lanka.
Does IST observe daylight saving time?
No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.
What are some interesting 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.
Which cities are in the EET timezone?
Major cities in the EET timezone include Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv.
What is the UTC offset for EET?
Eastern European Time (EET) is at UTC+02:00. During daylight saving time, it shifts to EEST.
What should I know about the EET timezone?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
When is it midnight in Colombo, what time is it in EET?
When it is 12:00 AM (midnight) in Colombo (IST), it is -3h 30m later in EET (EET).
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