"Wed, 15 May 2024 14:10:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
14:10:16
General datetime
2024-05-15 14:10:16Z
For Database
2024-05-15 14:10:16
For HTTP1.1
Wed, 15 May 2024 14:10:16 GMT