現在 CDT は何時ですか？
無料で正確な中部夏時間時計 — IANAデータから毎秒更新。CDTをワンクリックで主要なタイムゾーンに換算。
ライブCDT（中部夏時間）
8:47:38 PM
Thursday, Apr 16, 2026
Quick CDT Converter
1:00 AM CDT equals
2:00 AM
in EST/EDT (New York)
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よく使われる CDT 換算
他の米国タイムゾーンとの比較
| ゾーン | 名称 | 時差 | 現在時刻 |
|---|---|---|---|
| CDT | Central Daylight Time | UTC −5 | 8:47 PM |
| CST | Central Standard Time | UTC −6 | 8:47 PM |
| EDT | Eastern Daylight Time | UTC −4 | 9:47 PM |
| EST | Eastern Standard Time | UTC −5 | 9:47 PM |
| MDT | Mountain Daylight Time | UTC −6 | 7:47 PM |
| MST | Mountain Standard Time | UTC −7 | 7:47 PM |
| PDT | Pacific Daylight Time | UTC −7 | 6:47 PM |
| PST | Pacific Standard Time | UTC −8 | 6:47 PM |
中部夏時間 (CDT) の仕組み
中部夏時間は米国中部タイムゾーンの夏時間バージョンです。UTC −5:00 で動作し、3月の第2日曜日から11月の第1日曜日まで使用されます。
CDT は米国の広範囲をカバーします — テキサス、イリノイ、ウィスコンシン、アイオワ、ミネソタ、ミズーリ、アーカンソー、ルイジアナ、アラバマ、ミシシッピ、オクラホマ、カンザス、ネブラスカ — シカゴ、ヒューストン、ダラス、オースティン、ニューオーリンズ、ミネアポリスなど主要都市も含まれます。
CDT はメキシコ中部や中米諸国の夏時間期間中にも使用されます。
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よくある質問
What is CDT (Central Daylight Time)?
CDT stands for Central Daylight Time. It is the daylight-saving variant of the U.S. Central time zone, used from the second Sunday in March through the first Sunday in November. CDT is UTC −5:00.
Is CDT the same as CST?
No. CDT (Central Daylight Time) is UTC −5, while CST (Central Standard Time) is UTC −6. The Central time zone uses CST during winter and CDT during the summer "daylight saving" period.
What time is it in CDT right now?
Use the live clock at the top of this page — it auto-updates every second using the official IANA America/Chicago timezone, so it is always accurate including during DST transitions.
Which U.S. states use CDT?
States observing Central Time (and therefore CDT in summer) include Texas, Illinois, Wisconsin, Minnesota, Iowa, Missouri, Arkansas, Louisiana, Mississippi, Alabama, Tennessee (western), Kentucky (western), Oklahoma, Kansas, Nebraska, South Dakota (eastern), and North Dakota (eastern).
How do I convert CDT to my local time?
Pick your destination zone in the converter on the homepage, or visit a dedicated page like /cdt-to-est/ or /cdt-to-ist/. We compute the exact offset for the date you choose, including any DST jumps.