How to add calendar event in Yahoo calendar?

When I click on the calendar to put the date in for the event, A red message comes up saying the date format is wrong. It will not let me click on the calendar icon to put the date in.

I want to add different kinds of events (e.g. training, DOH, etc) to my calendar, but the list of options doesn't include what I need.

Clicking on the calendar icon beside the date field results in only a faint outline of a month's calendar view, but with no dates to click on. I am using Explorer 9 and Windows Vista. Please help. I don't want to have to switch to another claendar, like...

I have two issues with yahoo mail calendar and mail search. 1. I cannot add or edit an event in calendar. The error message I received was as follows. "Sorry, we are ...show more

After I click new event and complete the new event screen, I cannot get it saved by clicking the save button. It shows all previous events that were added before the change was made to new calendar.

When I add an event to my calendar and select "all-day", it will not let me set an end-date. I think I used to be able to do this.

Help! It use to be sporadic but now I can't add any event unless it's through my phone.