Wolfram: Date Time

Date Object

DateObject[]

return current local date

DateObject

DateObject[  ]

(* sample value
DateObject[{2023, 12, 5, 10, 47, 43.1793343`9.387850814365704}, Instant, Gregorian, -8.]
 *)

DateObject[{year, month, date, hour, minutes, seconds}]

• return a date object.
• The arguments are all integers.
• Any of the smaller time unit can be omitted.

Now

return a DateObject of current date and time.

Now

Now
(* DateObject[{2022, 7, 17, 13, 51, 20.2956073`9.059976985734098}, Instant, Gregorian, -7.] *)

Date String

DateString[]

return current datetime string.

DateString

DateString[ ]
(* Mon 22 Nov 2021 21:25:08 *)

DateString[date]

convert date to string.

DateString[date, format]

use format. Named format includes the following and more, see example:

DateString[ DateObject[{2022,7,17,14,20,58}] , "ISODate" ]
(* 2022-07-17 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "ISODateTime" ]
(* 2022-07-17T14:20:58 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "Time" ]
(* 14:20:58 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "Date" ]
(* Sunday 17 July 2022 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "DateShort" ]
(* Sun 17 Jul 2022 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "DateTime" ]
(* Sunday 17 July 2022 14:20:58 *)

DateString[ DateObject[{2022,7,17,14,20,58}] , "DateTimeShort" ]
(* Sun 17 Jul 2022 14:20:58 *)