"Sun, 25 Aug 2024 04:08:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240825
Only TIME
04:08:15
General datetime
2024-08-25 04:08:15Z
For Database
2024-08-25 04:08:15
For HTTP1.1
Sun, 25 Aug 2024 04:08:15 GMT