"Sun, 14 Jul 2024 13:40:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
13:40:39
General datetime
2024-07-14 13:40:39Z
For Database
2024-07-14 13:40:39
For HTTP1.1
Sun, 14 Jul 2024 13:40:39 GMT