"Wed, 22 May 2024 18:42:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240522
Only TIME
18:42:15
General datetime
2024-05-22 18:42:15Z
For Database
2024-05-22 18:42:15
For HTTP1.1
Wed, 22 May 2024 18:42:15 GMT