Ideal
Morning
local
EST (UTC−5)
PST (UTC−8)
+91 · UTC+5:30
Best Time to Call
India
from the United States
India's +91 code serves one of the world's largest mobile subscriber bases, all synced to a single national time zone. From the US East Coast, business hours in India fall between 10:30 PM and 6:30 AM EST.
Best EST: 10:30 PM – 6:30 AM (+1 day)
Mon–Sat
United States
01:17 PM
Business hours
10h 30m
difference
India
11:47 PM
Sleeping
// Best Time to Call
When to Call India
A 9-to-5 day in New Delhi never overlaps one in New York — at 9:00 AM ET it is 7:30 PM there — so reach them 10:30 PM–6:30 AM ET or leave a message.
Ideal
Afternoon
local
Working week: Monday–Friday for central government offices (five-day week since 1985); practice varies by state and employer; weekend: Saturday–Sunday for central government offices.
EST (UTC−5)
PST (UTC−8)
Avoid
Avoid
local
Also avoid public holidays such as 26 Jan – Republic Day; 15 Aug – Independence Day; 2 Oct – Mahatma Gandhi's Birthday.
EST (UTC−5)
PST (UTC−8)
| Local Time | UTC | EST / New York | CST / Chicago | PST / LA |
|---|---|---|---|---|
| Open | ||||
| Noon | ||||
| PM | ||||
| Close |
US columns use standard time (EST/CST/PST); between the second Sunday in March and the first Sunday in November, US clocks are one hour later. India: No daylight saving time.
// Calling Guide
How to call India — the short version.
Dialing steps
- 1Dial your exit code — 011 from the US and Canada, 00 from most of Europe.
- 2Add the India country code: +91.
- 3Enter the national number without its domestic trunk prefix 0.
From the US: 011 91 11 XXXX XXXX (Delhi landline)
Best time to call
- 9:00 AM – 5:00 PM in New Delhi is 10:30 PM – 6:30 AM EST.
- A 9-to-5 day in New Delhi never overlaps one in New York — at 9:00 AM ET it is 7:30 PM there — so reach them 10:30 PM–6:30 AM ET or leave a message.
Quick tips
- Working days: Monday–Friday for central government offices (five-day week since 1985); practice varies by state and employer.
- Calling out of India? Its international (exit) prefix is 00.
- Emergency (ERSS): 112
- Cybercrime helpline: 1930
// Calling Etiquette
Calling etiquette in India
Calling culture
India spans a single time zone (IST, UTC+5:30) despite its size, which simplifies scheduling — but confirm business hours around regional holidays, which vary by state.
// Reference
India hours, holidays and time changes
- Time zone
- Indian Standard Time (UTC+5:30)
- Daylight saving
- No daylight saving time.
- Working week
- Monday–Friday for central government offices (five-day week since 1985); practice varies by state and employer; weekend: Saturday–Sunday for central government offices
- Public holidays
- 26 Jan – Republic Day
- 15 Aug – Independence Day
- 2 Oct – Mahatma Gandhi's Birthday
- 25 Dec – Christmas
- Holi (moveable)
- Eid al-Fitr (moveable)
- Dussehra (moveable)
- Diwali (moveable)
- Many other holidays are set by each state
Sources
- ITU national numbering plan entry for India (links to DoT National Numbering Plan 2003)
- e-Governance Standards (Govt of India) – telephone number format: exit code 00, trunk prefix 0, 10-digit numbers (archived copy)
- TRAI Recommendations on ensuring adequate numbering resources, 29 May 2020
- PIB – Launch of International Incoming Spoofed Calls Prevention System (22 Oct 2024)
- PIB – DoT acts to protect citizens from spoofed-call frauds
- WION – Prefix 0 for all landline-to-mobile calls from 15 January 2021 (DoT circular)
- DoPT – Holiday policy and hours of work (five-day week from 3 June 1985)
- Sakshi Post – 2026 gazetted holidays (DoPT order)
- Factly – Emergency Response Support System (112)
- immihelp – Telephone numbering scheme in India (2-digit STD codes 11, 20, 22, 33, 40, 44, 79, 80)
- codes.in – What is an STD code (city mapping)
- World Time Server – Indian Standard Time (IST)
- US Department of State – US Embassy and consulates in India (contact numbers)
Free tools
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Frequently Asked
Calling India — Common Questions
Everything you need to know about reaching contacts in India.
No daylight saving time. Local time: Indian Standard Time (UTC+5:30). Because the US does use daylight saving time (second Sunday in March to first Sunday in November), the gap to US Eastern time changes by one hour during the US summer.
With a mobile-first customer base of over a billion, Indian consumers frequently screen unfamiliar international numbers before ever picking up.
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