Online time zone converter for converting date and time between countries and regions. Select a source time zone and target time zone to calculate the corresponding local time and UTC offset. Supports popular locations including Beijing, Tokyo, Singapore, Dubai, London, Paris, New York, Los Angeles, Sydney and Auckland, with automatic daylight saving time handling.
The online time zone converter converts a specified date and time from one time zone to another and displays the converted local date, time and UTC offset. Select the source time, source time zone and target time zone to quickly convert times between locations around the world.
For example, to convert Beijing time to New York time, enter the Beijing time and select Asia/Shanghai as the source time zone, then select America/New_York as the target time zone. The tool calculates the corresponding local time in New York and displays the target time zone and UTC offset for easy verification.
Different countries and regions around the world use different time zones, so the same moment can appear as different local times in Beijing, Tokyo, London, New York and Los Angeles. Some regions also observe daylight saving time, which changes their UTC offset on specific dates. Accurate time zone conversion therefore requires both the selected location and the date to be considered.
The tool supports common global time zones, including Beijing, Tokyo, Singapore, Dubai, London, Paris, New York, Los Angeles, Sydney and Auckland. Time zones use standard IANA identifiers. For example, Beijing uses Asia/Shanghai, Tokyo uses Asia/Tokyo, and New York uses America/New_York.
Using IANA time zones allows the appropriate regional rules to be applied according to the selected date. This is more accurate than calculating time differences using a fixed number of hours.
UTC (Coordinated Universal Time) is a global reference for time. Local time zones are commonly represented by their UTC offset. For example, Beijing normally uses UTC+08:00, Tokyo uses UTC+09:00, while New York uses different offsets depending on whether daylight saving time is in effect.
As a result, the time difference between two locations may not remain constant throughout the year. This is particularly important when converting times involving the United States, Europe and parts of Australia.
Yes. Daylight Saving Time (DST) changes the local time and UTC offset in some regions during specific periods. For example, New York normally uses UTC-04:00 during daylight saving time and UTC-05:00 outside the daylight saving period.
Therefore, Beijing time cannot always be converted to New York time by simply subtracting a fixed number of hours. The tool uses the selected date and time zone rules to provide a more accurate conversion.
If the conversion crosses midnight, the target date may also change. For example, an evening time in Beijing may correspond to the morning of the same day or the previous day in parts of the Americas. Always check both the date and time in the result.
Beijing uses the Asia/Shanghai time zone. New York uses America/New_York and observes daylight saving time, so the actual difference between the two locations changes depending on the date. Enter a specific date when converting between Beijing and New York.
Beijing normally uses UTC+08:00 throughout the year, while London changes its UTC offset according to the UK daylight saving rules. The actual time difference should therefore be determined from the selected date.
Beijing uses UTC+08:00 and Tokyo normally uses UTC+09:00, so the two locations usually differ by one hour. Select Asia/Tokyo as the target time zone to obtain the corresponding Tokyo time.
A Unix timestamp represents an instant in time and is not itself tied to a specific local time zone. Time zone conversion displays that same instant according to the rules of a selected region.
The same Unix timestamp can therefore appear as different local times in Beijing, Tokyo, London and New York while still representing the same moment in time.
The tool is useful for programmers, developers, international business teams, remote workers, cross-border e-commerce professionals, travelers and anyone who needs to compare global times. It can also help with APIs, databases, server logs, scheduled tasks and internationalized applications.
The result includes the target local date and time, the IANA time zone name and the UTC offset. In regions that observe daylight saving time, the UTC offset may change according to the input date. For this reason, entering an accurate date is preferable to estimating a time difference using a fixed number of hours.
An online time zone converter reduces errors caused by manual time difference calculations and makes it easier to convert Beijing, New York, London, Tokyo and other commonly used global time zones.
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