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How to set mmmm dd, yyyy as per our choice in the datestr command?

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Megha
Megha 2019-8-11
编辑： dpb 2019-8-11
How to set mmmm dd, yyyy as per our choice in the following command?
datestr(hours(50),'mmmm dd, yyyy HH:MM:SS')
It is normally taking:
'January 02, 0000 02:00:00'
I wish to get:
'September 02, 2017 02:00:00'
as my o/p.
Can anyone help!

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回答（2 个）

KALYAN ACHARJYA
KALYAN ACHARJYA 2019-8-11
编辑：KALYAN ACHARJYA 2019-8-11
>> datestr(years(2019),'mmmm dd, yyyy HH:MM:SS')
ans =
'December 30, 2018 14:34:48'
For any other format please check here
  1 个评论
Megha
Megha 2019-8-11
ok let me explain other way round!
I only have time in hours like 20, 30, 40, 50... and i wish to convert that hours using
datestr(hours(50),'mmmm dd, yyyy HH:MM:SS')
to obtain
'September 02, 2017 02:00:00'
So is there any way to set specific year and month instead?

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dpb
dpb 2019-8-11
datestr(datetime(2017,9,2,2,0,0))
  2 个评论
Megha
Megha 2019-8-11
ok let me explain other way round!
I only have time in hours like 20, 30, 40, 50... and i wish to convert that hours using
datestr(hours(50),'mmmm dd, yyyy HH:MM:SS')
to obtain
'September 02, 2017 02:00:00'
So is there any way to set specific year and month instead?
dpb
dpb 2019-8-11
编辑：dpb 2019-8-11
Well, not without some reference point, no. 50 hours all by itself is only a duration--how is it to know what to be referenced/correlated to? With the arbitrary and a priori knowledge that 50 hours from that point is to be 0200 on the second day of September of the given year, then sure:
datestr(datetime(2017,9,0,50,0,0))
datetime will automagically roll-over hours based on calendar--but it has to have a reference point...and 0 doesn't work well; it has to be a date within the epoch.
So, something like
>> T0=datetime(2017,9,0);
>> T0+hours(20:10:50).'
ans =
4×1 datetime array
31-Aug-2017 20:00:00
01-Sep-2017 06:00:00
01-Sep-2017 16:00:00
02-Sep-2017 02:00:00
>>
might be more amenable to your wishes.

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