"Sun, 28 Jul 2024 15:11:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240728
Only TIME
15:11:11
General datetime
2024-07-28 15:11:11Z
For Database
2024-07-28 15:11:11
For HTTP1.1
Sun, 28 Jul 2024 15:11:11 GMT