 if the date is the first day of the month; false, otherwise.</td>
</tr>
<tr class="odd">
<td><a href="#IsLastDayOfMonth">IsLastDayOfMonth</a></td>
<td>Returns true if the date is the last day of the month; false, otherwise.</td>
</tr>
<tr class="even">
<td><a href="#IsLeapYear">IsLeapYear</a></td>
<td>Determines if a given year is a leap year or not.</td>
</tr>
<tr class="odd">
<td><a href="#JulianToGregorian">JulianToGregorian</a></td>
<td>Converts a Julian date to a Gregorian date.</td>
</tr>
<tr class="