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タイムゾーン換算 換算器
UTC、GMT、EST、PST、CET、JST、IST などの現地時間を相互換算。
ui.popularConversions - タイムゾーン換算
IST (India Standard Time - New Delhi) から EST (Eastern Standard Time - New York) → EST (Eastern Standard Time - New York) から IST (India Standard Time - New Delhi) → PST (Pacific Standard Time - Los Angeles) から IST (India Standard Time - New Delhi) → IST (India Standard Time - New Delhi) から GMT (Greenwich Mean Time - London) → EST (Eastern Standard Time - New York) から PST (Pacific Standard Time - Los Angeles) → GMT (Greenwich Mean Time - London) から EST (Eastern Standard Time - New York) → CET (Central European Time - Paris/Berlin) から IST (India Standard Time - New Delhi) → JST (Japan Standard Time - Tokyo) から IST (India Standard Time - New Delhi) → AEST (Australian Eastern Time - Sydney) から IST (India Standard Time - New Delhi) → GST (Gulf Standard Time - Dubai) から IST (India Standard Time - New Delhi) →
基準と換算係数
タイムゾーン換算 基準と換算係数
基準単位： UTC (Coordinated Universal Time) (UTC+0)
| 単位名 | 記号 | 分類 | 換算値（ UTC (Coordinated Universal Time) | 説明 |
|---|---|---|---|---|
| UTC (Coordinated Universal Time) | UTC+0 | 🌐 Universal Reference | 1 UTC+0 = 1 UTC+0 | Universal reference time standard (Zero meridian) |
| GMT (Greenwich Mean Time - London) | GMT | 🌐 Universal Reference | 1 GMT = 1 UTC+0 | London winter time standard (UTC+0) |
| EST (Eastern Standard Time - New York) | UTC-5 | 🌎 Americas (North & South) | 1 UTC-5 = 1 UTC+0 | New York, Toronto, Miami, Washington DC (Winter, UTC-5) |
| EDT (Eastern Daylight Time - New York) | UTC-4 | 🌎 Americas (North & South) | 1 UTC-4 = 1 UTC+0 | New York, Toronto, Miami (Summer Daylight, UTC-4) |
| CST (Central Standard Time - Chicago) | UTC-6 | 🌎 Americas (North & South) | 1 UTC-6 = 1 UTC+0 | Chicago, Dallas, Mexico City (Winter, UTC-6) |
| CDT (Central Daylight Time - Chicago) | UTC-5 | 🌎 Americas (North & South) | 1 UTC-5 = 1 UTC+0 | Chicago, Dallas, Houston (Summer Daylight, UTC-5) |
| MST (Mountain Standard Time - Denver) | UTC-7 | 🌎 Americas (North & South) | 1 UTC-7 = 1 UTC+0 | Denver, Phoenix, Salt Lake City (Winter, UTC-7) |
| MDT (Mountain Daylight Time - Denver) | UTC-6 | 🌎 Americas (North & South) | 1 UTC-6 = 1 UTC+0 | Denver, Salt Lake City (Summer Daylight, UTC-6) |
| PST (Pacific Standard Time - Los Angeles) | UTC-8 | 🌎 Americas (North & South) | 1 UTC-8 = 1 UTC+0 | Los Angeles, San Francisco, Seattle, Vancouver (Winter, UTC-8) |
| PDT (Pacific Daylight Time - Los Angeles) | UTC-7 | 🌎 Americas (North & South) | 1 UTC-7 = 1 UTC+0 | Los Angeles, San Francisco, Seattle (Summer Daylight, UTC-7) |
| AKST (Alaska Standard Time) | UTC-9 | 🌎 Americas (North & South) | 1 UTC-9 = 1 UTC+0 | Anchorage, Juneau (UTC-9) |
| HST (Hawaii Standard Time - Honolulu) | UTC-10 | 🌎 Americas (North & South) | 1 UTC-10 = 1 UTC+0 | Honolulu, Hawaii (UTC-10, no daylight savings) |
| BRT (Brasília Time - São Paulo) | UTC-3 | 🌎 Americas (North & South) | 1 UTC-3 = 1 UTC+0 | São Paulo, Rio de Janeiro, Brasília (UTC-3) |
| ART (Argentina Time - Buenos Aires) | UTC-3 | 🌎 Americas (North & South) | 1 UTC-3 = 1 UTC+0 | Buenos Aires (UTC-3) |
| BST (British Summer Time - London) | UTC+1 | 🌍 Europe & Africa | 1 UTC+1 = 1 UTC+0 | London, Edinburgh, Dublin (Summer Daylight, UTC+1) |
| CET (Central European Time - Paris/Berlin) | UTC+1 | 🌍 Europe & Africa | 1 UTC+1 = 1 UTC+0 | Paris, Berlin, Rome, Madrid, Amsterdam (Winter, UTC+1) |
| CEST (Central European Summer Time - Paris) | UTC+2 | 🌍 Europe & Africa | 1 UTC+2 = 1 UTC+0 | Paris, Berlin, Rome, Madrid, Zurich (Summer Daylight, UTC+2) |
| EET (Eastern European Time - Cairo/Athens) | UTC+2 | 🌍 Europe & Africa | 1 UTC+2 = 1 UTC+0 | Athens, Cairo, Bucharest, Helsinki (Winter, UTC+2) |
| EEST (Eastern European Summer Time) | UTC+3 | 🌍 Europe & Africa | 1 UTC+3 = 1 UTC+0 | Athens, Kyiv, Bucharest, Helsinki (Summer Daylight, UTC+3) |
| MSK (Moscow Standard Time) | UTC+3 | 🌍 Europe & Africa | 1 UTC+3 = 1 UTC+0 | Moscow, Saint Petersburg, Istanbul (UTC+3) |
| WAT (West Africa Time - Lagos) | UTC+1 | 🌍 Europe & Africa | 1 UTC+1 = 1 UTC+0 | Lagos, Kinshasa, Luanda (UTC+1) |
| CAT (Central Africa Time - Johannesburg) | UTC+2 | 🌍 Europe & Africa | 1 UTC+2 = 1 UTC+0 | Johannesburg, Harare, Maputo (UTC+2) |
| EAT (East Africa Time - Nairobi) | UTC+3 | 🌍 Europe & Africa | 1 UTC+3 = 1 UTC+0 | Nairobi, Addis Ababa, Dar es Salaam (UTC+3) |
| GST (Gulf Standard Time - Dubai) | UTC+4 | 🌏 Asia & Middle East | 1 UTC+4 = 1 UTC+0 | Dubai, Abu Dhabi, Muscat (UTC+4, no DST) |
| IRST (Iran Standard Time - Tehran) | UTC+3:30 | 🌏 Asia & Middle East | 1 UTC+3:30 = 1 UTC+0 | Tehran (UTC+3:30) |
| PKT (Pakistan Standard Time - Karachi) | UTC+5 | 🌏 Asia & Middle East | 1 UTC+5 = 1 UTC+0 | Karachi, Islamabad, Lahore (UTC+5) |
| IST (India Standard Time - New Delhi) | UTC+5:30 | 🌏 Asia & Middle East | 1 UTC+5:30 = 1 UTC+0 | New Delhi, Mumbai, Bengaluru, Kolkata, Chennai (UTC+5:30) |
| NPT (Nepal Time - Kathmandu) | UTC+5:45 | 🌏 Asia & Middle East | 1 UTC+5:45 = 1 UTC+0 | Kathmandu (UTC+5:45) |
| BST (Bangladesh Standard Time - Dhaka) | UTC+6 | 🌏 Asia & Middle East | 1 UTC+6 = 1 UTC+0 | Dhaka (UTC+6) |
| MMT (Myanmar Time - Yangon) | UTC+6:30 | 🌏 Asia & Middle East | 1 UTC+6:30 = 1 UTC+0 | Yangon, Naypyidaw (UTC+6:30) |
| ICT (Indochina Time - Bangkok/Jakarta) | UTC+7 | 🌏 Asia & Middle East | 1 UTC+7 = 1 UTC+0 | Bangkok, Hanoi, Jakarta, Phnom Penh (UTC+7) |
| SGT (Singapore Standard Time) | UTC+8 | 🌏 Asia & Middle East | 1 UTC+8 = 1 UTC+0 | Singapore, Kuala Lumpur (UTC+8) |
| CST (China Standard Time - Beijing) | UTC+8 | 🌏 Asia & Middle East | 1 UTC+8 = 1 UTC+0 | Beijing, Shanghai, Taipei (UTC+8) |
| HKT (Hong Kong Time) | UTC+8 | 🌏 Asia & Middle East | 1 UTC+8 = 1 UTC+0 | Hong Kong (UTC+8) |
| JST (Japan Standard Time - Tokyo) | UTC+9 | 🌏 Asia & Middle East | 1 UTC+9 = 1 UTC+0 | Tokyo, Osaka, Kyoto (UTC+9) |
| KST (Korea Standard Time - Seoul) | UTC+9 | 🌏 Asia & Middle East | 1 UTC+9 = 1 UTC+0 | Seoul, Busan (UTC+9) |
| AWST (Australian Western Time - Perth) | UTC+8 | 🦘 Australia & Pacific | 1 UTC+8 = 1 UTC+0 | Perth (UTC+8) |
| ACST (Australian Central Time - Darwin) | UTC+9:30 | 🦘 Australia & Pacific | 1 UTC+9:30 = 1 UTC+0 | Adelaide, Darwin (Winter, UTC+9:30) |
| AEST (Australian Eastern Time - Sydney) | UTC+10 | 🦘 Australia & Pacific | 1 UTC+10 = 1 UTC+0 | Sydney, Melbourne, Brisbane (Winter, UTC+10) |
| AEDT (Australian Eastern Daylight Time) | UTC+11 | 🦘 Australia & Pacific | 1 UTC+11 = 1 UTC+0 | Sydney, Melbourne, Canberra (Summer Daylight, UTC+11) |
| NZST (New Zealand Standard Time - Auckland) | UTC+12 | 🦘 Australia & Pacific | 1 UTC+12 = 1 UTC+0 | Auckland, Wellington, Christchurch (Winter, UTC+12) |
| NZDT (New Zealand Daylight Time) | UTC+13 | 🦘 Australia & Pacific | 1 UTC+13 = 1 UTC+0 | Auckland, Wellington (Summer Daylight, UTC+13) |
| CHAST (Chatham Islands Time) | UTC+12:45 | 🦘 Australia & Pacific | 1 UTC+12:45 = 1 UTC+0 | Chatham Islands, New Zealand (UTC+12:45) |