Calendar : 4500 BC to 4500 AD for iOS

Calculate the day of the week for any date !

From 4,500 B.C. to 4,500 A.D. ! 9000+ years !

Shows the Moon phases and positions of planets !

Features in 30 calendar languages

Sunday, May 20, 2018

English (Sunday, May 20, 2018)

Chinese (2018520)

Korean (2018520 )

Japanese (30520 )

Dutch (Zondag 20 mei, 2018)

German (Sonntag 20 Mai, 2018)

Russian ( 20 , 2018)

French (le dimanche 20 mai, 2018)

Swedish (Sndag 20 maj, 2018)

Turkish (Pazar, 20 Mays, 2018)

Icelandic (Sunnudagur, 20 ma, 2018)

Danish (Sndag, 20 maj, 2018)

Spanish (Domingo 20 mayo, 2018)

Norwegian (Sndag, 20 mai, 2018)

Hindi (, 20 , 2018)

Ukrainian (, 20 , 2018)

Tamil (yiu, m 20, 2018)

Malay (Ahad, 20 Mei, 2018)

Portuguese (Domingo, 20 mai, 2018)

Czech (Nedle, 20 kvtna, 2018)

Slovak (Nedea, 20 mj, 2018)

Hungarian (2018, mjus 20, vasrnap)

Serbian (, 20 , 2018)

Romanian (Duminic, 20 mai, 2018)

Macedonian (, 20 , 2018)

Laotian (2018 phudsapha 20 vnoathid)

Latvian (Svtdiena, 20 maija, 2018)

Polish (Niedziela, 20 maja, 2018)

Croatian (Nedjelja, 20 svibnja, 2018)

Indonesian (Minggu, 20 Mei, 2018)

You can switch between 30 languages instantly within the app.

Julian Date (JD)

The day starts at noon on Monday January 1, 4713 B.C. For example, the Julian Date for 00:30 UT January 1, 2013, is 2456293.52 Days.

Islamic Calendar

It is the lunar calendar also known as the Hijri calendar. Due to the fact that the Islamic calendar relies on certain variable methods of observation, it varies by different persons, rather than actural astronomical calculations.

Chinese Calendar ()

It is a Lunisolar calendar, has been used by Chinese for thousands of years. For example, the date 22:30 May 20, 2018, it is () or .

Korean Calendar ()

The traditional Korean calendar, is still used to determine the Lunar New Year () and the Mid-Autumn Day () by the Korean people. It is similar to the Chinese calendar.

3D Solar System and Earth-Moon System

Super easy to navigate and to find where the planets are at any time between 4500 B.C. to 4500 A.D.

Week starts with Sunday or Monday

2 modes:

Mon Tue Wed Thu Fri Sat Sun

or

Sun Mon Tue Wed Thu Fri Sat

Day Count (unit:days, months, years)

For example,

May 20, 2018

minus

May 20, 1990

equals

10958 (Days) or 30 (Years) or 360 (Months)

Julian Calendar

Useful for history study. For example, the October Revolution occurred on 25 October, 1917 in Russia. At that time, Russians were using the Julian calendar. In the Gregorian calendar, it is on 7 November, 1917.