IST to Delhi
+0hIST
ISTSOURCEDelhi
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.
About Delhi
WikipediaDelhi operates on India Standard Time (IST), UTC+5:30. As India's capital, Delhi time is synchronized with Mumbai and India's National Stock Exchange.
Delhi serves as India's political capital while Mumbai is the financial capital.
IST vs Delhi: Offsets, DST and Best Call Times
IST runs on India Standard Time (IST) at UTC+05:30. Delhi runs on India Standard Time (IST) at UTC+05:30. That puts IST no time difference Delhi — a difference of +0h at the current offsets.
In practice, when it is 9:00 AM in IST it is 9:00 AM in Delhi. Midnight in IST is 12:00 AM in Delhi. Neither zone observes daylight saving time, so the offset between them stays constant all year.
IST to Delhi time conversion table
| IST (IST) | Delhi (IST) | Day |
|---|---|---|
| 12:00 AM | 12:00 AM | same day |
| 6:00 AM | 6:00 AM | same day |
| 7:00 AM | 7:00 AM | same day |
| 8:00 AM | 8:00 AM | same day |
| 9:00 AM | 9:00 AM | same day |
| 12:00 PM | 12:00 PM | same day |
| 3:00 PM | 3:00 PM | same day |
| 5:00 PM | 5:00 PM | same day |
| 6:00 PM | 6:00 PM | same day |
| 9:00 PM | 9:00 PM | same day |
Why people convert IST to Delhi time
- Scheduling a call from IST to Delhi: a 10:00 AM start in IST lands at 10:00 AM in Delhi, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both IST and Delhi are inside the 9-to-5 working day between 9:00 AM and 5:00 PM IST time (9:00 AM–5:00 PM IST). That is roughly 8 hours of usable overlap.
- Booking travel or deliveries: tracking Delhi local time against IST keeps pickup windows and arrival estimates honest across the +0h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a +0h gap is not.
- Block 9:00 AM–5:00 PM IST as the recurring meeting window if you work primarily from IST and need Delhi 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 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 Delhi
Both IST and Delhi sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM IST, which is 9:00 AM–5:00 PM IST. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
IST and Delhi share 8 hours of working-hours overlap (9:00 AM–5:00 PM IST), so scheduling a live meeting is straightforward.
IST is no time difference Delhi (IST UTC+05:30 → IST UTC+05:30). The shared working window is 9:00 AM–5:00 PM IST. Remember to re-check around daylight-saving transitions.
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 Delhi?
IST (IST, UTC+05:30) is no time difference Delhi (IST, UTC+05:30). The gap is currently +0h.
How do I convert IST time to Delhi time?
Add +0h to IST local time. For example, 9:00 AM in IST is 9:00 AM in Delhi.
What time is it in Delhi right now?
Delhi 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 +0h offset from IST.
What is the best time to call Delhi from IST?
Call between 9:00 AM and 5:00 PM IST — that maps to 9:00 AM–5:00 PM IST and keeps both parties inside the working day.
Which is ahead, IST or Delhi?
IST and Delhi are currently on the same clock.
Do IST and Delhi use different time zones?
IST uses IST at UTC+05:30, while Delhi (India) uses IST at UTC+05:30. They actually share the same IANA zone.
Does daylight saving time affect the IST–Delhi difference?
Neither zone observes daylight saving time, so the +0h offset between IST and Delhi is fixed all year.
Which other cities share IST's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, IST's zone?
IST is used in India, Sri Lanka.
What is the time difference between IST and Delhi?
Delhi is +0h from IST.
What timezone is IST in?
IST operates on its local timezone.
What timezone is Delhi in?
Delhi operates on India Standard Time (IST), UTC+5:30. As India's capital, Delhi time is synchronized with Mumbai and India's National Stock Exchange.
What are the business hours in Delhi?
Standard business hours in Delhi are 9:30 AM - 5:30 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 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 Delhi?
When it is 12:00 AM (midnight) in IST (IST), it is +0h later in Delhi (IST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More IST time conversions
- ist to mumbai
- ist to bangalore
- ist to india
- ist to new york
- ist to london
- ist to dubai
- ist to tokyo
- ist to singapore
- ist to sydney
- ist to los angeles
- ist to paris
- ist to berlin
- ist to hong kong
- ist to toronto
- ist to kathmandu
- new york to ist
- london to ist
- dubai to ist
- tokyo to ist
- singapore to ist
- sydney to ist
- los angeles to ist
- paris to ist
- delhi to ist
- mumbai to ist
- berlin to ist
- hong kong to ist
- toronto to ist
- kathmandu to ist
See every conversion from IST →·See every conversion from Delhi →