"Sat, 15 Feb 2025 00:52:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250215
Only TIME
00:52:16
General datetime
2025-02-15 00:52:16Z
For Database
2025-02-15 00:52:16
For HTTP1.1
Sat, 15 Feb 2025 00:52:16 GMT