converting MJD in UT1 to calender date

how could I convert 2017 January 00:00:00.5912977 which is MJD 57754 in UT1 to year,month,day,hour,,,,,,seconds

[James Tursa]

Note: If you are trying to convert to/from UTC and UT1, then you will have to interpolate the UT1-UTC data from this source:

https://maia.usno.navy.mil/products/bulletin-a

E.g., the finals2000A.all file.

Answer 1

[Voss]

Convert 2017 January 00:00:00.5912977 to year,month,day,hour,,,,,,seconds, as requested:

dt = datetime('2017 January 00:00:00.5912977', ...
    'InputFormat','yyyy MMMM hh:mm:ss.SSSSSSS', ...
    'Format','yyyy,MM,dd,hh,,,,,,ss')

dt = datetime
   2017,01,01,12,,,,,,00

Various conversions from MJD 57754, since that was mentioned:

dt = datetime(57754,'Format','yyyy MMMM dd hh:mm:ss.SSSSSSS','ConvertFrom','MJD')

dt = datetime
   2017 January 01 12:00:00.0000000

dt = datetime(57754,'Format','yyyy MMMM hh:mm:ss.SSSSSSS','ConvertFrom','MJD')

dt = datetime
   2017 January 12:00:00.0000000

dt = datetime(57754,'Format','yyyy,MM,dd,hh,mm,ss','ConvertFrom','MJD')

dt = datetime
   2017,01,01,12,00,00

dt = datetime(57754,'Format','yyyy,MM,dd,hh,,,,,,ss','ConvertFrom','MJD')

dt = datetime
   2017,01,01,12,,,,,,00