"Thu, 19 Dec 2024 15:45:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
15:45:04
General datetime
2024-12-19 15:45:04Z
For Database
2024-12-19 15:45:04
For HTTP1.1
Thu, 19 Dec 2024 15:45:04 GMT