"Sat, 11 May 2024 10:51:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
10:51:12
General datetime
2024-05-11 10:51:12Z
For Database
2024-05-11 10:51:12
For HTTP1.1
Sat, 11 May 2024 10:51:12 GMT