"Sat, 06 Jul 2024 18:40:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240706
Only TIME
18:40:56
General datetime
2024-07-06 18:40:56Z
For Database
2024-07-06 18:40:56
For HTTP1.1
Sat, 06 Jul 2024 18:40:56 GMT