"Sat, 18 May 2024 12:50:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
12:50:05
General datetime
2024-05-18 12:50:05Z
For Database
2024-05-18 12:50:05
For HTTP1.1
Sat, 18 May 2024 12:50:05 GMT