When the gods of hot water are appeased or Moscow gets a water system overhaul, whichever comes first. Actually, if you were paying attention, you would have remembered our previous tip on this — but because The Moscow Times tip department is generous, here is the information again: To find out when your hot water goes off and on, see mos.ru Type in your address and house number, and see the date when your hot water disappears and the joyful date when it reappears.