"Sun, 12 May 2024 20:14:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
20:14:59
General datetime
2024-05-12 20:14:59Z
For Database
2024-05-12 20:14:59
For HTTP1.1
Sun, 12 May 2024 20:14:59 GMT