"Sat, 13 Apr 2024 22:18:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240413
Only TIME
22:18:00
General datetime
2024-04-13 22:18:00Z
For Database
2024-04-13 22:18:00
For HTTP1.1
Sat, 13 Apr 2024 22:18:00 GMT