"Sat, 14 Sep 2024 00:00:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
00:00:20
General datetime
2024-09-14 00:00:20Z
For Database
2024-09-14 00:00:20
For HTTP1.1
Sat, 14 Sep 2024 00:00:20 GMT