BigDate Cost: $10 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions BigDate: Allows you to manipulate dates without considering time or timezone. Interconvertible with Sun Date and GregorianCalendar. Lets you calculate such things as the third Thursday of the month, iso week numbers and astronomical day numbers. Source included, which you can canibalise for you own programs. Written in pure Java, source incuded. Please try before you buy. http://mindprod.com/products.html#BIGDATE