"Sun, 14 Jul 2024 11:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
11:00:00
General datetime
2024-07-14 11:00:00Z
For Database
2024-07-14 11:00:00
For HTTP1.1
Sun, 14 Jul 2024 11:00:00 GMT