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UTC · Coordinated Universal Time

World Time Kit

세계 시간, 타임존 변환기, 날짜 계산 도구

전 세계 어디든 현재 시간을 확인하고, 타임존을 변환하고, 국제 회의를 계획하고, 날짜를 계산하세요.

내 현지 시간

UTC

11:29:12

2026년 8월 2일 일요일

UTC 오프셋

UTC+0

Abbreviation

UTC

서머타임 상태

No clock change

현재 달의 위상

Waning gibbous · 80%

여러 시간대에 걸쳐 시간 잡기

전체 스케줄러 열기 →

시간 타일을 드래그해 시간을 선택하세요. 모든 도시가 같은 순간을 각자의 시계로 읽으므로, 화면에 보이는 그대로가 각 참석자가 보는 시간입니다.

타일을 드래그해 선택하세요. Shift를 누르면 5분 단위로 조정됩니다.

선택 영역에 포커스를 두고 화살표 키로 이동, Shift+화살표로 길이를 조절할 수 있습니다. 시작 시각·길이 입력란도 같은 역할을 합니다.

선택된 시간이 없습니다 — 시간 타일을 드래그하거나 시작 시각을 입력하세요.

전체 스케줄러 열기 →

앞으로 45일 내 시간 변경

Time Changes Worldwide →

타임존 도구

달력·공휴일

계산기·타이머

해와 달

이런 곳에 사용됩니다

Why world time still trips people up

The planet runs on one physical timeline but thousands of local conventions. Offsets come in half-hour and even 45-minute steps, daylight saving rules differ by country and change by law, and the same abbreviation can point at three different zones. Getting a call time wrong by an hour is one of the most common — and most avoidable — scheduling mistakes.

Every tool on this site works the same way under the hood: your input is converted to UTC using the IANA time zone database, calculated there, and converted back for display. That single discipline is what keeps results correct across DST transitions, leap years, month-end quirks and the international date line.

자주 묻는 질문

What is my current time zone?

Your device already knows: it reports an IANA time zone such as America/New_York or Asia/Seoul. Open any city page on this site and it will show your detected zone in the time-difference line. One zone can cover many countries, and one country can span many zones.

Why does the time difference between two cities change during the year?

Daylight saving time. Regions that observe it move their clocks forward in spring and back in autumn — on different dates in different countries. Two cities that are 9 hours apart most of the year can briefly be 8 or 10 hours apart while only one of them has switched.

What is UTC?

Coordinated Universal Time is the global reference clock. Every time zone is defined as an offset from UTC (like UTC+9 or UTC-5). Aviation, computing and science use UTC so that everyone shares one unambiguous timeline; all conversions on this site go through UTC internally.

How does daylight saving time affect meetings?

A recurring meeting set for 9:00 in one city drifts by an hour for participants elsewhere whenever either side switches clocks. The safest habit is to re-check international meetings in the weeks around March/April and October/November, when most transitions happen.

Can two countries use the same time zone?

Yes, constantly. UTC+1 covers most of western and central Europe; China, Singapore, Malaysia, the Philippines and Western Australia all sit at UTC+8. Sharing an offset does not mean sharing DST rules, though — which is why IANA zone names matter more than offsets.

Why are time zone abbreviations sometimes confusing?

Because they are not unique. CST can mean Central Standard Time (UTC-6), China Standard Time (UTC+8) or Cuba Standard Time (UTC-5); IST can be India, Israel or Irish Standard Time. Use city names or IANA identifiers like Asia/Shanghai when precision matters.