"Wed, 15 May 2024 17:02:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
17:02:33
General datetime
2024-05-15 17:02:33Z
For Database
2024-05-15 17:02:33
For HTTP1.1
Wed, 15 May 2024 17:02:33 GMT