"Sat, 27 Jul 2024 18:36:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
18:36:03
General datetime
2024-07-27 18:36:03Z
For Database
2024-07-27 18:36:03
For HTTP1.1
Sat, 27 Jul 2024 18:36:03 GMT