Time Zone Converter
Convert a clock time between two time zones (with half-hour zones).
Input Data
Hour
Minute
From Offset
To Offset
Results
0
目標時刻 = 04:00。
At a glance:Time-zone conversion: first convert the source time to UTC (subtract source offset), then add the target offset. Supports half-hour zones and cross-day. Complements date-add and countdown.
Formula
UTC = source − fromOffset.
target = UTC + toOffset.
How to Use
- Enter the time and both offsets.
- The tool gives the target time and day shift.
Case Studies
HK 12:00 (UTC+8) → UTC+0 = 04:00
12−8 = 04:00 UTC; +0 = 04:00.
FAQ
Half-hour zones?
Offsets of .5 are supported (e.g. UTC+5.5).
Cross-day?
The result may be the next or previous day.
Applications?
Travel, meetings, flights.
Precision?
Hour:minute.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.