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Calendar : 4500 BC to 4500 AD

Name: Calendar : 4500 BC to 4500 AD
Availability: InStock
Rating: 1 (1 reviews)

Explore nine millennia of time with a high-precision digital time machine. Bridge ancient history and the distant future with Julian-Gregorian conversions, moon phases, and universal calendar systems for scholars and researchers.

Key Figures

Downloads

1000

User Rating

1.0/5

Total Ratings

Publisher

俊姜

Master Time Across Nine Millennia

The definitive high-precision utility for historians, genealogists, and astronomy enthusiasts to explore 9,000 years of global time and celestial data.

Unrivaled Historical Range

Spanning from 4500 BC to 4500 AD, this tool allows researchers and authors to verify the exact day of the week for any moment in human history.

Universal Calendar Sync

Seamlessly convert between Gregorian, Julian, Islamic, and Lunisolar systems, providing essential accuracy for genealogical and cultural research.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Calendar : 4500 BC to 4500 AD - Calendar app interface showing historical date selection for August 19 1913 — Calendar app interface showing historical date selection for August 19 1913

Calendar : 4500 BC to 4500 AD - Mobile app interface of a historical calendar showing October 1916 with a Monday week start configuration — Mobile app interface of a historical calendar showing October 1916 with a Monday week start configuration

Calendar : 4500 BC to 4500 AD - A mobile interface of the Calendar app showing the Day Count tool calculating the duration between two specific historical dates. — A mobile interface of the Calendar app showing the Day Count tool calculating the duration between two specific historical dates.

Calendar : 4500 BC to 4500 AD - A mobile app screen displaying a calendar for May 1718 and its corresponding Julian Date. — A mobile app screen displaying a calendar for May 1718 and its corresponding Julian Date.

Calendar : 4500 BC to 4500 AD - A screenshot showing the Chinese calendar feature with a selected historical date in May 1630. — A screenshot showing the Chinese calendar feature with a selected historical date in May 1630.

Calendar : 4500 BC to 4500 AD - Interface of the Korean calendar feature showing a date from the year 1833 — Interface of the Korean calendar feature showing a date from the year 1833

Calendar : 4500 BC to 4500 AD - Mobile app interface displaying the Julian calendar for August 1912 — Mobile app interface displaying the Julian calendar for August 1912

Calendar : 4500 BC to 4500 AD - Language selection menu in the Calendar app showing various international options — Language selection menu in the Calendar app showing various international options

Calendar : 4500 BC to 4500 AD - A 3D solar system visualization within the calendar app showing planetary orbits and positions for a specific historical date. — A 3D solar system visualization within the calendar app showing planetary orbits and positions for a specific historical date.

Calendar : 4500 BC to 4500 AD - 3D visualization of Earth and Moon showing time passed since the last new moon — 3D visualization of Earth and Moon showing time passed since the last new moon

Description

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 (公元2018年5月20日星期天) Korean (2018년5월20일 일요일) Japanese (平成30年5月20日日曜日) Dutch (Zondag 20 mei, 2018) German (Sonntag 20 Mai, 2018) Russian (Воскресенье 20 мая, 2018) French (le dimanche 20 mai, 2018) Swedish (Söndag 20 maj, 2018) Turkish (Pazar, 20 Mayıs, 2018) Icelandic (Sunnudagur, 20 maí, 2018) Danish (Søndag, 20 maj, 2018) Spanish (Domingo 20 mayo, 2018) Norwegian (Søndag, 20 mai, 2018) Hindi (रविवार, 20 मई, 2018) Ukrainian (Неділя, 20 травня, 2018) Tamil (Ñāyiṟu, mē 20, 2018) Malay (Ahad, 20 Mei, 2018) Portuguese (Domingo, 20 mai, 2018) Czech (Neděle, 20 května, 2018) Slovak (Nedeľa, 20 máj, 2018) Hungarian (2018, május 20, vasárnap) Serbian (Недеља, 20 маја, 2018) Romanian (Duminică, 20 mai, 2018) Macedonian (Недела, 20 мај, 2018) Laotian (2018 phudsapha 20 vnoathid) Latvian (Svētdiena, 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 actual astronomical calculations. • Chinese Calendar (农历) 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 农历戊戌(狗)年四月初六 or 戊戌年丁巳月壬子日辛亥时. • Korean Calendar (음력) The traditional Korean calendar, is still used to determine the Lunar New Year (설날) and the Mid-Autumn Day (추석) 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.