Cairo to Colombo
+2h 30mCairo
EESTSOURCEColombo
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
EEST and IST on the World Map
The map below highlights the EEST (Eastern European Time) and IST (India Standard Time) timezone regions across the globe.
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.
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.
About Cairo
WikipediaCairo operates on Eastern European Time (EET), UTC+2. As Africa's largest city and Arab world's cultural capital, Cairo bridges African and Middle Eastern time.
The Pyramids of Giza are the only surviving wonder of the ancient world.
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.
Comparing Time Zones: Cairo and Colombo
Cairo runs on Eastern European Summer Time (EEST) at UTC+03:00, currently observing daylight saving time. Colombo runs on India Standard Time (IST) at UTC+05:30. That puts Cairo 2 hours 30 minutes ahead of Colombo — a difference of +2h 30m at the current offsets.
In practice, when it is 9:00 AM in Cairo it is 11:30 AM in Colombo. Midnight in Cairo is 2:30 AM in Colombo.Cairo observes daylight saving time while Colombo does not, so the gap narrows or widens by an hour part of the year.
Cairo to Colombo time conversion table
| Cairo (EEST) | Colombo (IST) | Day |
|---|---|---|
| 12:00 AM | 2:30 AM | same day |
| 6:00 AM | 8:30 AM | same day |
| 7:00 AM | 9:30 AM | same day |
| 8:00 AM | 10:30 AM | same day |
| 9:00 AM | 11:30 AM | same day |
| 12:00 PM | 2:30 PM | same day |
| 3:00 PM | 5:30 PM | same day |
| 5:00 PM | 7:30 PM | same day |
| 6:00 PM | 8:30 PM | same day |
| 9:00 PM | 11:30 PM | same day |
Why people convert Cairo to Colombo time
- Scheduling a call from Cairo to Colombo: a 10:00 AM start in Cairo lands at 12:30 PM in Colombo, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Cairo and Colombo are inside the 9-to-5 working day between 9:00 AM and 2:30 PM EEST time (11:30 AM–5:00 PM IST). That is roughly 5 hours 30 minutes of usable overlap.
- Watching a live event or market open: Cairo viewers need 11:30 AM in Colombo to catch a 9:00 AM start there, and 9:30 PM if the event is anchored to Cairo.
- Always state the zone abbreviation, not just the hour. "3:00 PM EEST" is unambiguous; "3 PM" across a +2h 30m gap is not.
- Block 9:00 AM–2:30 PM EEST as the recurring meeting window if you work primarily from Cairo and need Colombo colleagues present.
- Cairo: Clocks fall back on Thu, Oct 29, 2026. Re-check this page after that date because the offset changes and so does the +2h 30m gap.
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.
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 Cairo and Colombo
Both Cairo and Colombo sit inside the 9 AM – 5 PM working day between 9:00 AM–2:30 PM EEST, which is 11:30 AM–5:00 PM IST. That gives roughly 5 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Cairo and Colombo share 5 hours of working-hours overlap (9:00 AM–2:30 PM EEST), so scheduling a live meeting is straightforward.
Cairo is 2 hours 30 minutes ahead of Colombo (EEST UTC+03:00 → IST UTC+05:30). The shared working window is 9:00 AM–2:30 PM EEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Cairo
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Thu, Oct 29, 2026
Colombo
Does not observe DST
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 Cairo and Colombo?
Cairo (EEST, UTC+03:00) is 2 hours 30 minutes ahead of Colombo (IST, UTC+05:30). The gap is currently +2h 30m.
How do I convert Cairo time to Colombo time?
Add +2h 30m to Cairo local time. For example, 9:00 AM in Cairo is 11:30 AM in Colombo.
What time is it in Colombo right now?
Colombo 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 +2h 30m offset from Cairo.
What is the best time to call Colombo from Cairo?
Call between 9:00 AM and 2:30 PM EEST — that maps to 11:30 AM–5:00 PM IST and keeps both parties inside the working day.
Which is ahead, Cairo or Colombo?
Cairo is 2 hours 30 minutes ahead of Colombo. When it is 12:00 PM in Cairo it is 2:30 PM in Colombo.
Do Cairo and Colombo use different time zones?
Cairo (Egypt) uses EEST at UTC+03:00, while Colombo (Sri Lanka) uses IST at UTC+05:30. The IANA identifiers are Africa/Cairo and Asia/Colombo.
Does daylight saving time affect the Cairo–Colombo difference?
Yes at the moment: Cairo is on daylight saving time and Colombo is not, so the +2h 30m gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Cairo's time zone?
EEST also covers Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv and 4 more.
Which countries use EEST, Cairo's zone?
EEST is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, Israel, Lebanon and 9 more.
Is there a day difference between Cairo and Colombo?
Not normally. The +2h 30m gap only pushes the date over for late-evening times.
What is the time difference between Cairo and Colombo?
Colombo is +2h 30m from Cairo.
What timezone is Cairo in?
Cairo operates on Eastern European Time (EET), UTC+2. As Africa's largest city and Arab world's cultural capital, Cairo bridges African and Middle Eastern time.
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 are the business hours in Cairo?
Standard business hours in Cairo are 9:00 AM - 5:00 PM EET.
What are the business hours in Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
What is the best time to schedule a call between Cairo and Colombo?
The best overlap for a call is when both cities are in business hours. Cairo works 9:00 AM - 5:00 PM EET and Colombo works 9:00 AM - 5:00 PM IST (+2h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Cairo and Colombo?
Cairo uses EGP (£) while Colombo uses LKR (Rs). Check current exchange rates when planning travel or business between these cities.
How do Cairo and Colombo compare in size?
Cairo has a population of approximately 10.2 million (metro: 21.3 million), while Colombo has approximately 752,000 (metro: 5.6 million).
What are the major landmarks in Cairo and Colombo?
Cairo is known for Pyramids of Giza, Egyptian Museum, Khan el-Khalili. Colombo is famous for Galle Face Green, Gangaramaya Temple, Colombo Lotus Tower.
Do Cairo and Colombo have stock exchanges?
Yes. Cairo has the EGX (Egyptian Exchange) and Colombo has the CSE (Colombo Stock Exchange). The +2h 30m time difference affects trading hour overlaps between these exchanges.
Which countries use EET (Eastern European Time)?
EET is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, and 11 more countries.
Does EET observe daylight saving time?
Yes, EET switches to EEST during summer months.
What are some interesting facts about EET?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
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 Cairo, what time is it in Colombo?
When it is 12:00 AM (midnight) in Cairo (EET), it is +2h 30m later in Colombo (IST).
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