"Wed, 15 May 2024 16:11:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
16:11:16
General datetime
2024-05-15 16:11:16Z
For Database
2024-05-15 16:11:16
For HTTP1.1
Wed, 15 May 2024 16:11:16 GMT