"Sat, 11 May 2024 14:13:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
14:13:10
General datetime
2024-05-11 14:13:10Z
For Database
2024-05-11 14:13:10
For HTTP1.1
Sat, 11 May 2024 14:13:10 GMT