Resource List: Calendars
- The Islamic (Hijri) Calendar
- The Chinese Calendar
- 2005 Calendar & Holidays
- 2007 Calendar & Holidays
- Daylight Saving Time
- 2006 Calendar & Holidays
- The Names of the Days of the Week
- Astrological Signs
- Leap Year 101 – Next, When, List, Days, Calendar, Years, Calculation, Last, Rules
- Leap Year Explained
- August—History of the Month's Origin
- Fall Equinox
- Daylight Saving Time
- Daylight Saving Time
- August—History of the Month's Origin
- Time Zone Origins
- Summer Solstice
- Seasons for the Northern Hemisphere, 2005
- Accurate Mechanical Clocks
- Water Clocks