User:Abdallah albeltagy/Books/Calender

Time calculations

 * Chapter (1) : Difinitions ( Alphabetic )
 * Calendar
 * Calendar date
 * Conjunction (astronomy)
 * Constellation
 * Dawn
 * Day
 * Daylight
 * Decimal time
 * Dusk
 * Earth's rotation
 * Eclipse
 * Eclipse cycle
 * Full moon
 * Full moon cycle
 * Horizon
 * Intercalation (timekeeping)
 * Julian day
 * Latitude
 * Leap year
 * Longitude
 * Lunar month
 * Lunar phase
 * Lunation
 * Meridian (geography)
 * Month
 * Moon
 * Moonlight
 * New moon
 * Night
 * Orbital period
 * Prime meridian
 * Season
 * Seasonal year
 * Sunrise
 * Sunrise equation
 * Sunset
 * Time
 * Tropical year
 * Twilight
 * Unit of time
 * Week
 * Year


 * Chapter (2) : world diffrent calendars ( Alphabetic )
 * List of calendars
 * 360-day calendar
 * 365-day calendar
 * Akan calendar
 * Armenian calendar
 * Assyrian calendar
 * Babylonian astronomy
 * Babylonian calendar
 * Bahá'í calendar
 * Bengali calendar
 * Buddhist calendar
 * Byzantine calendar
 * Chinese calendar
 * Coptic calendar
 * Egyptian astronomy
 * Egyptian calendar
 * Ethiopian calendar
 * French Republican Calendar
 * Gaelic calendar
 * General Roman Calendar
 * Germanic calendar
 * Gregorian calendar
 * Hebrew calendar
 * Hindu calendar
 * Indian national calendar
 * Iranian calendars
 * Islamic calendar
 * Jalali calendar
 * Japan Standard Time
 * Javanese calendar
 * Julian calendar
 * Lunar calendar
 * Lunisolar calendar
 * Malayalam calendar
 * Maya calendar
 * Minguo calendar
 * Nepali calendar
 * Proleptic Julian calendar
 * Roman calendar
 * Runic calendar
 * Solar calendar
 * Solar Hijri calendar
 * Soviet calendar
 * Swedish calendar
 * Thai lunar calendar
 * Thai solar calendar
 * The World Calendar
 * Xhosa calendar
 * Yoruba calendar