code: public static boolean truncatedEquals(final Calendar cal1, final Calendar cal2, final int field) {
          return truncatedCompareTo(cal1, cal2, field) == 0;
      }
docs: Copied from Apache Commons Lang under Apache License v2.
  <br />
  
  Determines if two calendars are equal up to no more than the specified
  most significant field.
  
  @param cal1 the first calendar, not <code>null</code>
  @param cal2 the second calendar, not <code>null</code>
  @param field the field from {@code Calendar}
  @return <code>true</code> if equal; otherwise <code>false</code>
  @throws IllegalArgumentException if any argument is <code>null</code>
  @see #truncate(Calendar, int)
  @see #truncatedEquals(Date, Date, int)
  @since 3.0