"Tue, 21 Jan 2025 16:23:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
16:23:00
General datetime
2025-01-21 16:23:00Z
For Database
2025-01-21 16:23:00
For HTTP1.1
Tue, 21 Jan 2025 16:23:00 GMT