Potterton EP2001 control - Days are out of sync

Not familiar with that programmer, does its clock have full time & date settings, or just time & day of week?

i.e. do you need to find how to set the clock, in which case there might be a copy of the manual out there somewhere; or is the clock set right but its calendar is confusedd, in which case you could try setting it to

User guide is available. Go to

in the search box - that will take you to 2011 where there are a couple of copies available from May 16 and November 10.

At least you have the option of 7 day weeks. I once rented a house in Michigan that had a Sears water softener that had a six-day timer for regeneration.

Saturday this week, Friday next week, Thursday the following week...

direct link

I would have posted that but it appeared to be a mostly empty page with the search box at the top - but it turns out it downloaded the PDF without me noticing.

If it is like ours, when you've programmed it, you need to end the programming stage in on the correct day.

So, go into program mode, click through to 'today', exit.