"Sun, 04 Aug 2024 03:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
03:00:00
General datetime
2024-08-04 03:00:00Z
For Database
2024-08-04 03:00:00
For HTTP1.1
Sun, 04 Aug 2024 03:00:00 GMT