"Sun, 12 May 2024 12:35:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
12:35:17
General datetime
2024-05-12 12:35:17Z
For Database
2024-05-12 12:35:17
For HTTP1.1
Sun, 12 May 2024 12:35:17 GMT