"Sun, 29 Sep 2024 15:35:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
15:35:55
General datetime
2024-09-29 15:35:55Z
For Database
2024-09-29 15:35:55
For HTTP1.1
Sun, 29 Sep 2024 15:35:55 GMT