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Convert Atlantic Standard Time to Western Indonesian Time

Instantly convert Atlantic Standard Time (AST) to Western Indonesian Time (WIB) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Atlantic Standard Time

01:20:49 AM

Wed, Jun 24 (AST)

Western Indonesian Time

12:20:49 PM

Wed, Jun 24 (WIB)

WIB is +11 hours from AST

Convert a Specific Time

AST

24-Hour Comparison

ASTWIB
12:00 AM11:00 AM
1:00 AM12:00 PM
2:00 AM1:00 PM
3:00 AM2:00 PM
4:00 AM3:00 PM
5:00 AM4:00 PM
6:00 AM5:00 PM
7:00 AM6:00 PM
8:00 AM7:00 PM
9:00 AM8:00 PM
10:00 AM9:00 PM
11:00 AM10:00 PM
12:00 PM11:00 PM
1:00 PM12:00 AM(+1d)
2:00 PM1:00 AM(+1d)
3:00 PM2:00 AM(+1d)
4:00 PM3:00 AM(+1d)
5:00 PM4:00 AM(+1d)
6:00 PM5:00 AM(+1d)
7:00 PM6:00 AM(+1d)
8:00 PM7:00 AM(+1d)
9:00 PM8:00 AM(+1d)
10:00 PM9:00 AM(+1d)
11:00 PM10:00 AM(+1d)

How to Convert Atlantic Standard Time to Western Indonesian Time

Formula

To convert Atlantic Standard Time (AST) to Western Indonesian Time (WIB): Convert AST to WIB

About Atlantic Standard Time (AST)

Atlantic Standard Time (AST, IANA: America/Halifax, America/Puerto_Rico) is the time zone for the Canadian Maritime provinces and most of the Caribbean, set at UTC-4:00. AST is observed in: Nova Scotia, New Brunswick, Prince Edward Island, Labrador (partially), Newfoundland's Labrador portion, eastern Quebec, Puerto Rico, US Virgin Islands, Bermuda, Anguilla, Antigua, Aruba, Barbados, British Virgin Islands, Curaçao, Dominica, Grenada, Guadeloupe, Martinique, Saint Lucia, Saint Vincent, Trinidad and Tobago, and Venezuela (since 2007). Canadian Maritime provinces observe AST in winter and switch to ADT = UTC-3:00 in summer per the Energy Policy Act-aligned Canadian schedule. The Caribbean territories (Puerto Rico, USVI, Bermuda) and US territories observe AST year-round without DST per their territorial governments. AST is the same offset as EDT (Eastern Daylight Time) during US summer months, so Halifax and New York are on the same clock in summer but Halifax is one hour ahead in winter.

About Western Indonesian Time (WIB)

Western Indonesian Time (WIB — Waktu Indonesia Barat, IANA: Asia/Jakarta) is the civil time of western Indonesia, set at UTC+7:00 year-round (no DST). Indonesia spans 3 time zones (WIB UTC+7, WITA UTC+8, WIT UTC+9) covering its 17,508+ island archipelago across ~5,000 km of longitude — the world's largest archipelagic country by area. WIB serves approximately 200 million Indonesian people on Java, Sumatra, West Kalimantan, and Central Kalimantan — including the major population centers. WIB is identical in offset to Indochina Time (ICT) used by mainland Thailand/Vietnam/Cambodia/Laos. Major WIB cities: Jakarta (10.5M city, 35M metro — Indonesia's capital and Southeast Asia's largest metro after Tokyo/Delhi/Shanghai/Manila), Surabaya (2.9M city, 9.3M metro — East Java capital), Medan (2.4M — Sumatra), Bandung (2.5M — West Java), Bekasi (3M — Jakarta satellite city), Tangerang (2.4M — Jakarta satellite), Depok (2.4M — Jakarta satellite), Semarang (1.7M — Central Java), Palembang (1.7M — Sumatra). Affects: IDX (Indonesia Stock Exchange) trading hours, Jakarta KRL commuter-rail schedules, Borobudur Buddhist temple + Prambanan Hindu temple tourism schedules.

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