"Sat, 27 Jul 2024 18:54:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
18:54:43
General datetime
2024-07-27 18:54:43Z
For Database
2024-07-27 18:54:43
For HTTP1.1
Sat, 27 Jul 2024 18:54:43 GMT