How to get UTC time in my program?

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Benson Gou 2020-7-12

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评论： Charalambos Hadjipanayi 2023-2-1

Dear All,

I am wondering if it is pissible to get the UTC time in my program. Do I need the internet avaibale if I want to get UTC time?

Thanks a lot.

Benson

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采纳的回答

Star Strider 2020-7-12

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https://ww2.mathworks.cn/matlabcentral/answers/563738-how-to-get-utc-time-in-my-program#answer_464729

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Try this:

dtLCL = datetime('now', 'TimeZone','local')                 % Current Local Time
dtUTC = datetime(dtLCL, 'TimeZone','Z')                     % Current UTC Time

That will give you both the local time and the corresponding UTC time.

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Star Strider 2020-7-13

As always, my pleasure!

Charalambos Hadjipanayi 2023-2-1

This gives you a simple network time, which does not rely on local computer time:

url_time = webread('http://worldtimeapi.org/api/timezone/Etc/UTC')

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更多回答（1 个）

Vini Lima 2022-3-25

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https://ww2.mathworks.cn/matlabcentral/answers/563738-how-to-get-utc-time-in-my-program#answer_927244

在 MATLAB Online 中打开

utc_time = datetime('now', 'timezone', 'utc')

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Charalambos Hadjipanayi 2023-2-1

This just converts your local computer time to UTC. So if your local computer time is incorrect for any reason, the utc_time will be also incorrect.

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