Relative Duration

Relative Duration represents a relative time interval. The supported units are:
ssecondmminutehhourddaywweek
note
If you want to refer to the past, you must use the - symbol.
e.g. To refer to 5 days ago, use -5d.
Example
12hrepresents an interval of 12 hours.-2wrepresents the last 2 weeks.