Colombo to Cairo
-2h 30mColombo
ISTSOURCECairo
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and EEST on the World Map
The map below highlights the IST (India Standard Time) and EEST (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.
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.
Colombo to Cairo Time Difference – Complete Guide
Colombo runs on India Standard Time (IST) at UTC+05:30. Cairo runs on Eastern European Summer Time (EEST) at UTC+03:00, also currently on daylight saving time. That puts Colombo 2 hours 30 minutes behind Cairo — a difference of -2h 30m at the current offsets.
In practice, when it is 9:00 AM in Colombo it is 6:30 AM in Cairo. Midnight in Colombo is 9:30 PM in Cairo.Cairo observes daylight saving time while Colombo does not, so the gap narrows or widens by an hour part of the year.
Colombo to Cairo time conversion table
| Colombo (IST) | Cairo (EEST) | Day |
|---|---|---|
| 12:00 AM | 9:30 PM | previous day |
| 6:00 AM | 3:30 AM | same day |
| 7:00 AM | 4:30 AM | same day |
| 8:00 AM | 5:30 AM | same day |
| 9:00 AM | 6:30 AM | same day |
| 12:00 PM | 9:30 AM | same day |
| 3:00 PM | 12:30 PM | same day |
| 5:00 PM | 2:30 PM | same day |
| 6:00 PM | 3:30 PM | same day |
| 9:00 PM | 6:30 PM | same day |
Why people convert Colombo to Cairo time
- Scheduling a call from Colombo to Cairo: a 10:00 AM start in Colombo lands at 7:30 AM in Cairo, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Colombo and Cairo are inside the 9-to-5 working day between 11:30 AM and 5:00 PM IST time (9:00 AM–2:30 PM EEST). That is roughly 5 hours 30 minutes of usable overlap.
- Booking travel or deliveries: tracking Cairo local time against Colombo keeps pickup windows and arrival estimates honest across the -2h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -2h 30m gap is not.
- Block 11:30 AM–5:00 PM IST as the recurring meeting window if you work primarily from Colombo and need Cairo colleagues present.
- Cairo: Clocks fall back on Thu, Oct 29, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 Cairo
Both Colombo and Cairo sit inside the 9 AM – 5 PM working day between 11:30 AM–5:00 PM IST, which is 9:00 AM–2:30 PM EEST. That gives roughly 5 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Colombo and Cairo share 5 hours of working-hours overlap (11:30 AM–5:00 PM IST), so scheduling a live meeting is straightforward.
Colombo is 2 hours 30 minutes behind Cairo (IST UTC+05:30 → EEST UTC+03:00). The shared working window is 11:30 AM–5:00 PM IST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Colombo
Does not observe DST
Cairo
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Thu, Oct 29, 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 Cairo?
Colombo (IST, UTC+05:30) is 2 hours 30 minutes behind Cairo (EEST, UTC+03:00). The gap is currently -2h 30m.
How do I convert Colombo time to Cairo time?
Add -2h 30m to Colombo local time. For example, 9:00 AM in Colombo is 6:30 AM in Cairo.
What time is it in Cairo right now?
Cairo uses EEST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h 30m offset from Colombo.
What is the best time to call Cairo from Colombo?
Call between 11:30 AM and 5:00 PM IST — that maps to 9:00 AM–2:30 PM EEST and keeps both parties inside the working day.
Which is behind, Colombo or Cairo?
Colombo is 2 hours 30 minutes behind Cairo. When it is 12:00 PM in Colombo it is 9:30 AM in Cairo.
Do Colombo and Cairo use different time zones?
Colombo (Sri Lanka) uses IST at UTC+05:30, while Cairo (Egypt) uses EEST at UTC+03:00. The IANA identifiers are Asia/Colombo and Africa/Cairo.
Does daylight saving time affect the Colombo–Cairo 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 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 Cairo?
Not normally. The -2h 30m gap only pushes the date over the previous day.
What is the time difference between Colombo and Cairo?
Cairo is -2h 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 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 are the business hours in Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
What are the business hours in Cairo?
Standard business hours in Cairo are 9:00 AM - 5:00 PM EET.
What is the best time to schedule a call between Colombo and Cairo?
The best overlap for a call is when both cities are in business hours. Colombo works 9:00 AM - 5:00 PM IST and Cairo works 9:00 AM - 5:00 PM EET (-2h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Colombo and Cairo?
Colombo uses LKR (Rs) while Cairo uses EGP (£). Check current exchange rates when planning travel or business between these cities.
How do Colombo and Cairo compare in size?
Colombo has a population of approximately 752,000 (metro: 5.6 million), while Cairo has approximately 10.2 million (metro: 21.3 million).
What are the major landmarks in Colombo and Cairo?
Colombo is known for Galle Face Green, Gangaramaya Temple, Colombo Lotus Tower. Cairo is famous for Pyramids of Giza, Egyptian Museum, Khan el-Khalili.
Do Colombo and Cairo have stock exchanges?
Yes. Colombo has the CSE (Colombo Stock Exchange) and Cairo has the EGX (Egyptian Exchange). The -2h 30m time difference affects trading hour overlaps between these exchanges.
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 Cairo?
When it is 12:00 AM (midnight) in Colombo (IST), it is -2h 30m later in Cairo (EET).
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