"Sun, 14 Jul 2024 15:17:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240714
Only TIME
15:17:20
General datetime
2024-07-14 15:17:20Z
For Database
2024-07-14 15:17:20
For HTTP1.1
Sun, 14 Jul 2024 15:17:20 GMT