Formatting PowerShell Get-Date inside string

Question

I can t get my head around how formatting a datetime variable inside a string works in PowerShell    startTime   Get-Date Write-Host  The script was started  startTime      Do stuff      endTime   Get-Date Write-Host  Done at  endTime   Time for the full run was     New-TimeSpan  startTime  endTime      gives me the US date format while I want ISO nbsp 8601   I could use    Get-Date -Format u    but I want to use  endTime to make the calculation of the timespan correct   I have tried all permutations of          endTime  -format  u   ToString      and  ToShortDate    but the one that works

User · Accepted Answer

This is my string with date in specified format    theDate ToString  u       or   This is my string with date in specified format   Get-Date -format  u      The sub-expression          can include arbitrary expressions calls   MSDN Documents both standard and custom DateTime format strings

User · Answer

You can use the -f operator   a     0 D   -f  get-date   a     0 dddd   -f  get-date      Sp  cificator    Type                                Example  with  datetime   now  d   Short date                                        26 09 2002 D   Long date                                       jeudi 26 septembre 2002 t   Short Hour                                      16 49 T   Long Hour                                       16 49 31 f   Date and hour                                   jeudi 26 septembre 2002 16 50 F   Long Date and hour                              jeudi 26 septembre 2002 16 50 51 g   Default Date                                    26 09 2002 16 52 G   Long default Date and hour                      26 09 2009 16 52 12 M   Month Symbol                                    26 septembre r   Date string RFC1123                             Sat  26 Sep 2009 16 54 50 GMT s   Sortable string date                            2009-09-26T16 55 58 u   Sortable string date universal local hour       2009-09-26 16 56 49Z U   Sortable string date universal GMT hour         samedi 26 septembre 2009 14 57 22  oups  Y   Year symbol                                     septembre 2002     Sp  cificator    Type                       Example      Output Example dd              Jour                        0 dd        10 ddd             Name of the day             0 ddd       Jeu  dddd            Complet name of the day     0 dddd      Jeudi f  ff             Fractions of seconds        0 fff       932 gg                position                    0 gg        ap  J -C  hh              Hour two digits             0 hh        10 HH              Hour two digits  24 hours   0 HH        22 mm              Minuts 00-59                0 mm        38 MM              Month 01-12                 0 MM        12 MMM             Month shortcut              0 MMM       Sep  MMMM            complet name of the month   0 MMMM      Septembre ss              Seconds 00-59               0 ss        46 tt              AM or PM                    0 tt               yy              Years  2 digits             0 yy        02 yyyy            Years                       0 yyyy      2002 zz              Time zone  2 digits         0 zz         02 zzz             Complete Time zone          0 zzz        02 00                 Separator                   0 hh mm ss      10 43 20                 Separator                   0 dd MM yyyy    10 12 2002

User · Answer

Instead of using string interpolation you could simply format the DateTime using the ToString  u   method and concatenate that with the rest of the string    startTime   Get-Date Write-Host  The script was started      startTime ToString  u

[powershell] Formatting PowerShell Get-Date inside string

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