Colombo to Tel Aviv Time
IST to IST Converter — 9 AM IST is 5:30 AM IST
Colombo is 3 hours and 30 minutes ahead of Tel Aviv. Convert any time between Colombo (IST) and Tel Aviv (IST/IDT) instantly.
Colombo
Sri Lanka
Tel Aviv
Israel
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Time Zone Comparison
Colombo to Tel Aviv Time Conversion Table
| Colombo (IST) | Tel Aviv (IST) |
|---|---|
| 12:00 AM | 9:30 PM |
| 2:00 AM | 11:30 PM |
| 4:00 AM | 1:30 AM |
| 6:00 AM | 3:30 AM |
| 8:00 AM | 5:30 AM |
| 10:00 AM | 7:30 AM |
| 12:00 PM | 9:30 AM |
| 2:00 PM | 11:30 AM |
| 4:00 PM | 1:30 PM |
| 6:00 PM | 3:30 PM |
| 8:00 PM | 5:30 PM |
| 10:00 PM | 7:30 PM |
Colombo & Tel Aviv — Business & Scheduling Guide
Colombo (Sri Lanka) is a South Asian island economy with strategic Indian Ocean positioning, with key industries in tourism, tea, apparel, and IT/BPO services. Tel Aviv is the startup nation's innovation capital, known for cybersecurity, AI, defense tech, and more startups per capita than almost any city globally. With a 3.5-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Colombo and Tel Aviv
The 3.5-hour difference between Colombo and Tel Aviv requires careful scheduling. The best overlap window is typically 2–4 hours when both cities are within working hours. Sri Lankan business hours are typically 8:30 AM–5 PM, with a growing technology outsourcing sector. Israeli business culture is informal and direct, with hours typically 9 AM–5 PM Sunday–Thursday. Teams often designate specific "overlap hours" for real-time collaboration and use asynchronous communication (Slack, email, recorded video) for the rest of the day.
Daylight Saving Time Considerations
Tel Aviv observes Daylight Saving Time (IST/IDT), while Colombo stays on IST year-round. When Tel Aviv switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
Collaboration Tools & Workflow
The 3.5-hour gap between Colombo and Tel Aviv means teams get roughly half a day of overlapping work hours. Successful cross-timezone teams typically batch synchronous activities (standups, reviews, planning) into the overlap window and reserve solo deep work for non-overlapping hours. Tools like Loom for async video updates, Slack with status indicators showing each team's local time, and shared Notion docs help bridge the gap. Many teams adopt a "follow-the-sun" workflow where handoffs happen at the edges of each team's workday.
Remote Work Between Colombo & Tel Aviv
Colombo, a key city in Sri Lanka, and Tel Aviv, cybersecurity, are well-connected for remote work. With a manageable 3.5-hour time difference, distributed teams can maintain a near-synchronous workflow. Both cities have strong internet infrastructure, coworking spaces, and established remote work cultures. For freelancers and remote workers, this time zone pairing is ideal — you can serve clients in Tel Aviv from Colombo (or vice versa) without disrupting your standard workday.
IST to IST — Quick Reference
IST (IST) stands for the timezone used in Colombo, Sri Lanka (UTC+5:30). IST (IST/IDT) is the timezone used in Tel Aviv, Israel (UTC+2). Colombo is 3 hours and 30 minutes ahead of Tel Aviv.
To convert IST to IST, subtract 3.5 hours from IST time. For example, IST 9:00 AM = IST 5:30 AM.
Key Facts
- •Time difference: Colombo (UTC+5:30) is 3 hours and 30 minutes ahead of Tel Aviv (UTC+2).
- •Daylight Saving Time: Colombo does not observe DST (IST). Tel Aviv observes DST (IST/IDT).
- •Regions: Colombo is located in Sri Lanka and uses the IST time zone. Tel Aviv is located in Israel and uses the IST/IDT time zone.
- •Best time to call: The best time to call between Colombo and Tel Aviv is 1:00 PM to 4:00 PM in Colombo time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Colombo and Tel Aviv?
Colombo is 3 hours and 30 minutes ahead of Tel Aviv.
What time is it in Tel Aviv when it's 9 AM in Colombo?
When it's 9:00 AM in Colombo, it is 5:30 AM in Tel Aviv.
What time is 9 PM IST in IST?
9 PM IST (Colombo time) is 5:30 PM IST (Tel Aviv time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Colombo and Tel Aviv?
The best time to schedule a meeting is between 1:00 PM to 4:00 PM in Colombo time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert IST to IST?
IST (IST) is the timezone for Colombo, Sri Lanka (UTC+5:30). IST (IST/IDT) is the timezone for Tel Aviv, Israel (UTC+2). Colombo is 3 hours and 30 minutes ahead of Tel Aviv. Quick examples: 9 AM IST = 5:30 AM IST, 12 PM IST = 8:30 AM IST, 3 PM IST = 11:30 AM IST, 6 PM IST = 2:30 PM IST.
Is Colombo ahead of or behind Tel Aviv?
Colombo is 3 hours 30 minutes ahead of Tel Aviv. When it's noon in Colombo, it's 8:30 AM in Tel Aviv.
Does Colombo or Tel Aviv change clocks for Daylight Saving Time?
No, Colombo does not observe DST — it stays on IST year-round. Tel Aviv observes DST and switches between IST/IDT. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
What time is noon in Colombo in Tel Aviv time?
When it is 12:00 PM (noon) in Colombo (IST), it is 8:30 AM in Tel Aviv (IST). This is often a popular time for scheduling lunch-hour calls across the Colombo–Tel Aviv corridor.
What are the overlapping work hours between Colombo and Tel Aviv?
The overlapping work hours between Colombo and Tel Aviv are approximately 1:00 PM to 4:00 PM in Colombo time, when both cities are within the standard 9 AM–5 PM workday. This is the ideal window for meetings, pair programming, and real-time collaboration.
What timezone is Colombo in?
Colombo is in the IST time zone (UTC+5:30). It is located in Sri Lanka. Colombo does not observe Daylight Saving Time.
What timezone is Tel Aviv in?
Tel Aviv is in the IST/IDT time zone (UTC+2). It is located in Israel. Tel Aviv observes Daylight Saving Time, switching between IST/IDT.
How do I schedule a call between Colombo and Tel Aviv?
To schedule a call between Colombo and Tel Aviv, aim for the overlapping window of 1:00 PM to 4:00 PM in Colombo time. Use Google Calendar or Calendly with both time zones visible, share the meeting invite with the IST time clearly noted, and always double-check the time difference — especially during DST transitions. Pro tip: include both local times in the calendar invite title (e.g., "Sync — 10 AM IST / 6:30 AM IST").
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