Every 2 weeks but on a certain day of the week

[Slate]

Check out this thread.

Every 14 days

You can also use a community app called Event Engine, which allows you to create cogs (similar to rules in RM) that you can set to run at any interval. Below I've set a cog to run every two weeks (which is many, many minutes)... [2022-04-18 09_50_19-Chrome Main] [2022-04-18 09_51_21-Chrome Main] Event Engine is available in Hubitat Package Manager. Very functional and flexible, easy to configure via drop-down selections, and is well supported by it's developer, @bptworld: