Look at both for you area and look at how full their calendar is so see if a site is working well for an area.

The dates are now blocked on the AirBnb calendar. 

If your cleaner is totally behind the times and doesn't have internet, you can screen shot them the calendars every couple of days but this leaves room for error. 

go to your counties clerk of courts website and search around for a calendar.

You can utilize an auction calendar as a focus point. 

Banking days - I always use banking days - not calendar days - this give you lots of time to do what you have to do.Never use "Time is of the essences" you don't want to be under a legal condition to settle on time - you might not be able to - without that clause that is in most contract, you have the leverage to keep your contract open.Always build in an automatic extension in your contract - everything in this business takes longer than we expect.

Trello/Zoho Projects/Basecamp - General project management software that includes tasks, Gantt scheduling, calendars, project forums, document storage & team collaboration toolsSmartsheet/AirTable - Provide spreadsheet style platforms with additional functionalities for uploading documents/images, assigning tasks, calendar, images, etc...I am currently beta testing my own Project Management platform that should be complete in the next few months...

I had calendars of scantily clad women doing construction printed, I sent them to every company that I had their contractors renting from me. 

Please let me know next time you guys are meeting so I can get it in my calendar! 

@Mark Ferguson, who I tried to meet several times but our calendars would never cooperate.