"Wed, 15 May 2024 10:51:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
10:51:14
General datetime
2024-05-15 10:51:14Z
For Database
2024-05-15 10:51:14
For HTTP1.1
Wed, 15 May 2024 10:51:14 GMT