"Sun, 14 Jul 2024 20:40:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
20:40:35
General datetime
2024-07-14 20:40:35Z
For Database
2024-07-14 20:40:35
For HTTP1.1
Sun, 14 Jul 2024 20:40:35 GMT