An alchemical colleague has kindly pointed me to a nice piece of free downloadable software which may be of interest:

Lunabar, available here, offers a lunar almanac, a solar almanac, and various other items of interest.

NOTE: you must open the full programme and set your location for the information to be valid for you.

If you would like to know what this means for OMO headquarters, enter the following data:

Waterloo, Ontario
43° 28' 29" North
80° 31' 18" West.