"Wed, 15 May 2024 22:17:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
22:17:17
General datetime
2024-05-15 22:17:17Z
For Database
2024-05-15 22:17:17
For HTTP1.1
Wed, 15 May 2024 22:17:17 GMT