"Sat, 11 May 2024 14:58:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
14:58:59
General datetime
2024-05-11 14:58:59Z
For Database
2024-05-11 14:58:59
For HTTP1.1
Sat, 11 May 2024 14:58:59 GMT