Timezone Converter & World Clock

Convert times across IANA zones, keep a live world clock board, and spot meeting overlap windows.

DatetimeFromTo

Conversion

2026-04-05 11:46

America/New_York · UTC-04:00 · DST active

World clocks

UTC

15:46

2026-04-05

UTC-00:00 · DST

New York

11:46

2026-04-05

UTC-04:00 · DST

Los Angeles

08:46

2026-04-05

UTC-07:00 · DST

London

16:46

2026-04-05

UTC+00:59 · DST

Kolkata

21:16

2026-04-05

UTC+05:29 · DST

Tokyo

00:46

2026-04-06

UTC+08:59 · DST

Overlap windows

13:00 - 14:00 UTC

UTC: 13:00 · America/New_York: 09:00

14:00 - 15:00 UTC

UTC: 14:00 · America/New_York: 10:00

15:00 - 16:00 UTC

UTC: 15:00 · America/New_York: 11:00

16:00 - 17:00 UTC

UTC: 16:00 · America/New_York: 12:00

17:00 - 18:00 UTC

UTC: 17:00 · America/New_York: 13:00

About

Convert datetimes across IANA timezones, monitor world clocks, and inspect overlap windows.

Accepted input

Accepts timestamps, cron-style schedules, durations, or timezone values. Conversions are deterministic and run client-side.

How to use

Open Timezone Converter & World Clock and paste, type, or upload the input it expects.
Adjust the available options until the preview or output reflects the workflow you need.
Use copy, download, or related follow-up tools once the result looks correct.

Tips

Pair it with other date & time tools from the same category when you need a broader workflow.
Pinned tools and recent history make it faster to return to repeated workflows.

Timezone Converter & World Clock

Conversion

World clocks

Overlap windows

About

関連ツール

About

関連ツール