"Sun, 14 Jul 2024 16:20:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
16:20:15
General datetime
2024-07-14 16:20:15Z
For Database
2024-07-14 16:20:15
For HTTP1.1
Sun, 14 Jul 2024 16:20:15 GMT