"Sat, 27 Jul 2024 10:18:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
10:18:40
General datetime
2024-07-27 10:18:40Z
For Database
2024-07-27 10:18:40
For HTTP1.1
Sat, 27 Jul 2024 10:18:40 GMT