"Sat, 18 May 2024 08:53:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
08:53:48
General datetime
2024-05-18 08:53:48Z
For Database
2024-05-18 08:53:48
For HTTP1.1
Sat, 18 May 2024 08:53:48 GMT