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Convert Central Africa Time to India Standard Time

Instantly convert Central Africa Time (CAT) to India Standard Time (IST) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Central Africa Time

07:20:57 AM

Wed, Jun 24 (CAT)

India Standard Time

10:50:57 AM

Wed, Jun 24 (IST)

IST is +3.5 hours from CAT

Convert a Specific Time

CAT

24-Hour Comparison

CATIST
12:00 AM3.5:00 AM
1:00 AM4.5:00 AM
2:00 AM5.5:00 AM
3:00 AM6.5:00 AM
4:00 AM7.5:00 AM
5:00 AM8.5:00 AM
6:00 AM9.5:00 AM
7:00 AM10.5:00 AM
8:00 AM11.5:00 AM
9:00 AM0.5:00 PM
10:00 AM1.5:00 PM
11:00 AM2.5:00 PM
12:00 PM3.5:00 PM
1:00 PM4.5:00 PM
2:00 PM5.5:00 PM
3:00 PM6.5:00 PM
4:00 PM7.5:00 PM
5:00 PM8.5:00 PM
6:00 PM9.5:00 PM
7:00 PM10.5:00 PM
8:00 PM11.5:00 PM
9:00 PM0.5:00 AM(+1d)
10:00 PM1.5:00 AM(+1d)
11:00 PM2.5:00 AM(+1d)

How to Convert Central Africa Time to India Standard Time

Formula

To convert Central Africa Time (CAT) to India Standard Time (IST): Convert CAT to IST

About Central Africa Time (CAT)

Central Africa Time (CAT, IANA: Africa/Johannesburg, Africa/Harare) is the civil time for Central and Southern African countries, set at UTC+2:00 year-round (no DST). CAT serves approximately 200 million people across: Botswana, Burundi, DR Congo (eastern half), Egypt (since 2014 reverting from earlier DST trial; year-round UTC+2), eSwatini (Swaziland), Lesotho, Libya, Malawi, Mozambique, Namibia (since 2017 reverting from earlier WAT trial; year-round UTC+2), Rwanda, South Africa, Sudan (UTC+2 since 2017), Zambia, Zimbabwe. CAT shares the same UTC offset as Eastern European Time (EET) in winter, Egypt Standard Time (EET-Egypt), and Israel Standard Time (IST). Major CAT cities: Johannesburg (5.6M city, 10M metro — economic capital of Sub-Saharan Africa), Cape Town (4.7M metro), Cairo (10M city, 22M metro — the largest city in Africa and the Middle East), Khartoum (5.3M), Lusaka (2.7M), Harare (1.6M), Tripoli (1.2M), Pretoria (740K). Affects: JSE Johannesburg Stock Exchange trading, Cairo + Alexandria Stock Exchange (EGX) trading hours, Kruger National Park safari schedules.

About India Standard Time (IST)

India Standard Time (IST, IANA: Asia/Kolkata) is the civil time of the Republic of India and Sri Lanka, set at UTC+5:30 — one of the world's most populous 30-minute-offset time zones. India does not observe Daylight Saving Time per the Government of India directive (a brief DST trial in 1942-1945 during WWII was discontinued; subsequent proposals from 2010-2017 were rejected by the Indian Government citing minimal energy savings + agricultural sector disruption). IST is defined as the local mean solar time at 82.5°E longitude (passing through Shankargarh fort in Uttar Pradesh, with the reference clock at the National Physical Laboratory in New Delhi per the Indian Institute of Astrophysics). The 30-minute offset is preserved because India's east-west extent (68°E to 97°E) spans ~28° of longitude — approximately 2 hours of solar time — and the central meridian is most representative for a single unified zone. IST serves approximately 1.4 billion people in India + 22 million in Sri Lanka (Sri Lanka observes SLST = UTC+5:30, identical to IST). Major cities: Mumbai (12.5M), Delhi (16.8M, NCR 29M), Bengaluru (8.4M), Hyderabad (10M), Chennai (7M), Kolkata (4.5M), Ahmedabad (5.5M), Pune (3.1M). Affects: BSE/NSE stock exchanges, IPL Indian Premier League cricket schedules.

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