UTC与MATLAB中的本地时间 [英] UTC to local hour in MATLAB

问题描述

我有这个单元格数组:

    date_hour = '30/07/2012 00:00'
                '30/07/2012 01:00'
                '30/07/2012 02:00'
                '30/07/2012 03:00'
                '30/07/2012 04:00'
                '30/07/2012 05:00'
                '30/07/2012 06:00'
                '30/07/2012 07:00'
                '30/07/2012 08:00'
                '30/07/2012 09:00'
                '30/07/2012 10:00'
                '30/07/2012 11:00'
                '30/07/2012 12:00'
                '30/07/2012 13:00'
                '30/07/2012 14:00'
                '30/07/2012 15:00'
                '30/07/2012 16:00'
                '30/07/2012 17:00'
                '30/07/2012 18:00'
                '30/07/2012 19:00'
                '30/07/2012 20:00'
                '30/07/2012 22:00'
                '30/07/2012 21:00'
                '30/07/2012 23:00'

小时以UTC给出.一旦本地时间为-3，如何转换为本地时间?

The hour is given in UTC. Once local time is -3, how can I convert to local time?

推荐答案

由于matlab日期格式是从0000年1月1日开始的天数，时间是十进制，因此您可以简单地从matlab日期格式中减去3/24.

Because the matlab date format is in days since Jan 1st, 0000 with time as a decimal, you can simply subtract 3/24 from the matlab date format.

localDateNum = datenum(date_hour,'dd/mm/yyyy HH:MM') - 3/24;

然后，如果需要，可以将其转换回字符串.

Then, you can convert it back to string if you want with datestr.

date_hour_local = datestr(localDateNum,'dd/mm/yyyy HH:MM');

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