"Sun, 07 Jul 2024 18:40:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240707
Only TIME
18:40:55
General datetime
2024-07-07 18:40:55Z
For Database
2024-07-07 18:40:55
For HTTP1.1
Sun, 07 Jul 2024 18:40:55 GMT