"Sun, 14 Jul 2024 18:40:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
18:40:33
General datetime
2024-07-14 18:40:33Z
For Database
2024-07-14 18:40:33
For HTTP1.1
Sun, 14 Jul 2024 18:40:33 GMT