"Sun, 04 Aug 2024 17:40:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
17:40:04
General datetime
2024-08-04 17:40:04Z
For Database
2024-08-04 17:40:04
For HTTP1.1
Sun, 04 Aug 2024 17:40:04 GMT