"Wed, 15 May 2024 12:35:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
12:35:31
General datetime
2024-05-15 12:35:31Z
For Database
2024-05-15 12:35:31
For HTTP1.1
Wed, 15 May 2024 12:35:31 GMT