How to I convert this time format to datetime?

Question

Martin 2021-5-28

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/842500-how-to-i-convert-this-time-format-to-datetime

评论： Walter Roberson 2023-1-10

采纳的回答： Steven Lord

I got this strange time format: my str ='Fri May 28 18:15:46 +0000 2021'.

I would be very happy if I could get it down to '28-May-2021 18:15:46'.

Tried messing with datetime(), but with no luck

Thank in advance

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Answer 1

Steven Lord 2021-5-28

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https://ww2.mathworks.cn/matlabcentral/answers/842500-how-to-i-convert-this-time-format-to-datetime#answer_711670

在 MATLAB Online 中打开

str ='Fri May 28 18:15:46 +0000 2021'
str = 'Fri May 28 18:15:46 +0000 2021'
inputFormat = 'eee MMM d H:mm:ss xx yyyy'
inputFormat = 'eee MMM d H:mm:ss xx yyyy'
dt = datetime(str, 'InputFormat', inputFormat, 'TimeZone', 'UTC')
dt = datetime
   28-May-2021 18:15:46

I used the information in the description of the Format property on the documentation page for the datetime function to generate inputFormat. Most of the identifiers were in the "All Date and Time Formats" table. I wasn't sure whether you wanted to use Z, xx, or xxxx. When I tried just using the InputFormat name-value pair input MATLAB threw an error that indicated I needed to specify a TimeZone as well.

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Answer 2

Walter Roberson 2021-5-28

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/842500-how-to-i-convert-this-time-format-to-datetime#answer_711665

在 MATLAB Online 中打开

str ='Fri May 28 18:15:46 +0000 2021'
str = 'Fri May 28 18:15:46 +0000 2021'
datetime(str, 'inputformat', 'eee MMM dd HH:mm:ss Z yyyy','timezone','utc')
ans = datetime
   28-May-2021 18:15:46

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Tota 2023-1-10

i have millscond (gaze time stamp) but need convert to time hh:mm:ss

if can help

Walter Roberson 2023-1-10

在 MATLAB Online 中打开

GazeTimestamp = [1535.81; 169225; 1614.36; 1254.72]
GazeTimestamp = 4×1
1.0e+05 *

    0.0154
    1.6923
    0.0161
    0.0125
D = seconds(GazeTimestamp ./ 1000);
D.Format = 'hh:mm:ss'
D = 4×1 duration array
   00:00:01
   00:02:49
   00:00:01
   00:00:01