"Sun, 14 Jul 2024 10:15:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
10:15:10
General datetime
2024-07-14 10:15:10Z
For Database
2024-07-14 10:15:10
For HTTP1.1
Sun, 14 Jul 2024 10:15:10 GMT