This toolbar button brings up a calendar and coordinate conversion tool. There are three tabs on this tool, Date Conversion, IJ/XY Conversion, and UTM Conversion. The first, shown in Figure 1 allows the number of days to be calculated from the time of a Base Date to the time of a specified (Gregorian) calendar date. If the calendar date entered is before the Base Date a negative number of Julian days in given. This tool can also be used to determine a Calendar Date, given any number of days before (<0) or after (>0) a given Base Date. The default Base Date is the Project's Base Date. However the user can change the Base Date in this utility without impacting the Project's Base Date.
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