"Sun, 26 May 2024 13:27:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
13:27:30
General datetime
2024-05-26 13:27:30Z
For Database
2024-05-26 13:27:30
For HTTP1.1
Sun, 26 May 2024 13:27:30 GMT