"Sat, 17 Feb 2024 06:23:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240217
Only TIME
06:23:36
General datetime
2024-02-17 06:23:36Z
For Database
2024-02-17 06:23:36
For HTTP1.1
Sat, 17 Feb 2024 06:23:36 GMT