Just double click on to the date and time displayed in the taskbar. You will then get the date and time properties screen. There you can set the time and also the date.
How to disable all the flash in SeaMonkey using AdBlock plus ( flashblock not working when JavaScript is disabled)
Flash block is a very good add-on for blocking flash in SeaMonkey, but when you disable JavaScript in the browser, the flashblock add-on does not work. So here is an alternative. In SeaMonkey after installing AdBlock plus, do the following to remove flash completely. Open AdBlock plus (Go to tools > AdBlock plus). Now click the filters menu and select ADD FILTERS. Now in the filter rule type *.swf and click the apply button. Here after you will not be able to view flash in your browser. Blocking flash helps save a lot of bandwidth. If you want to see flash in a particular page then you will have to disable AdBlock plus by going to AdBlock plus > options >and uncheck the Enable AdBlock plus menu.