"Sun, 29 Sep 2024 22:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
22:21:21
General datetime
2024-09-29 22:21:21Z
For Database
2024-09-29 22:21:21
For HTTP1.1
Sun, 29 Sep 2024 22:21:21 GMT