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App Activity

Mar 15 '10	$1.99 -> $.99
Dec 03 '09	$7.99 -> $1.99
Aug 19 '09	New App: $7.99, v1.0.0

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Khronos

Khronos combines time & space to bring you a tool that illustrates the relationship between the movement of the earth, the moon, the sun and our world's calendars.

Inspired by the medieval astronomical masterpiece clocks, and the ancient Antikythera mechanism, Khronos brings the heavens to your iPhone.

A perpetual astronomical calendar that shows the positions of the sun, moon & major planets in real time or for times in the past or future, at your location or at any selected location, it shows time in several different calendrical systems, including the Gregorian, Hebrew and Islamic calendars, and the Buddhist & Japanese Eras, allows conversion and comparison of dates in different systems, whilst showing their relationship to the solar and lunar cycles that originally defined them.

Features

Astronomical Clock shows entire year cycle for two calendars and zodiac, moon phase and day length, with current GPS or WiFi coordinates and location name, time, position of the sun, moon and major planets relative to north (even without 3GS).

3GS users can rotate display by compass heading to show absolute position of sun, moon and planets.

Support for Buddhist Era, Gregorian, Hebrew, Islamic & Islamic Civil and Japanese calendars.

Enter a date in any calendar and see the same date in all other calendars simultaneously (When did Ramadan start in 2005? What was the Japanese Era of the Moon Landing? What’s my Hebrew date of birth?). Check the Astronomical Clock to see what the moon phase was or will be.

Drag the Sun Hand round the clock (with moon & planet animation) to set a date in the displayed year. Check out the dates of solstices and equinoxes, or the phase of the moon for a party.

Use current location or enter any location on earth by coordinates, map click or name (uses the GeoNames.org geocoder) - find coordinates of a named place or vice versa. Check the Astronomical Clock to see how the sky looks there. Or, when traveling, see the name of the town you are passing through.

Extensive built-in help.

Screenshots

	Screenshot 1 of 5

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Last changed:

Mar 15, 2010

Category:

Education

Developer:

Quadrivium

Version:

1.0.0

Average Rating:

2.00 (10)

Size:

1.0 MB

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