"Sun, 21 Jul 2024 07:55:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
07:55:29
General datetime
2024-07-21 07:55:29Z
For Database
2024-07-21 07:55:29
For HTTP1.1
Sun, 21 Jul 2024 07:55:29 GMT