IST to Sri Lanka
+0hIST
ISTSOURCESri Lanka
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and IST on the World Map
The map below highlights the IST (India Standard Time) and IST (India Standard 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.
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.
IST to Sri Lanka Time Difference – Complete Guide
IST (India Standard Time) operates on the India Standard Time (UTC+05:30). Sri Lanka uses India Standard Time (UTC+05:30).
The time difference between IST and Sri Lanka is 0 minutes (+0h). When it's noon in IST, it's 12:00 PM in Sri Lanka.
Why Convert IST to Sri Lanka Time?
The time difference of 0 hours between IST and Sri Lanka can significantly impact business operations and personal communication. By using this converter, you can easily find the overlapping business hours and schedule your interactions when both parties are available.
Pro Tip: If you frequently communicate with people in Sri Lanka from IST, consider adding a dual-clock widget to your phone or computer to keep track of the 0-hour difference at a glance.
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 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 IST and Sri Lanka
If you want to reach someone in Sri Lanka during standard business hours (9 AM – 5 PM IST), the best time to call from IST would be:
- Sri Lanka 9:00 AM = IST 09:00 AM
- Sri Lanka 12:00 PM = IST 12:00 PM
- Sri Lanka 5:00 PM = IST 05:00 PM
Business Hours Overlap
IST and Sri Lanka have a significant business hours overlap (8 hours), making real-time collaboration easy during standard working hours.
As a final note, managing the +0h difference between IST and Sri Lanka is simple with the right tools. Keep this page handy for all your future time conversion needs.
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 IST and Sri Lanka?
Sri Lanka is +0h from IST.
What timezone is IST in?
IST operates on its local timezone.
What timezone is Sri Lanka in?
Sri Lanka operates on its local timezone.
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 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 IST, what time is it in Sri Lanka?
When it is 12:00 AM (midnight) in IST (IST), it is +0h later in Sri Lanka (IST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams: