"Sat, 23 Mar 2024 08:53:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240323
Only TIME
08:53:43
General datetime
2024-03-23 08:53:43Z
For Database
2024-03-23 08:53:43
For HTTP1.1
Sat, 23 Mar 2024 08:53:43 GMT