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: PHOTOS

: MAKING

NEWS

Sun calculator and ephemeris report

Calculations of Sun's ephemeris may be useful for sundials construction and observation

2019/01/14
Analemmatic sundials - compass for Habana

Two variants of analemmatic sundials in vector format.

2017/01/06
Time - is a motion

The trip to the North with equatorial sundials (interactive till the end of June 2016). A simple idea for caravanneres.

2016/06/10
Most amazing sundials

Photos of most amazing sundials with comments and links. The list will be filled up in the future. Last photo is on the left.

2014/02/1
Sundials for Mars, what for?

Who does need sundials on Mars?

2014/02/1

OLDS

Сalculation of the Easter's date

Ester's date calculator can be used to know a date of Orthodox Easter for a given year.

2017/04/15
World Time creation: a coincidental predetermination

Industrial revolution have made a revolutionary change in our "timing" system....

2014/12/23
A Wheel in the Wheel

About achient calendar systems, Sun and Moon synchronization, eclipse predictions system in Stonehenge, and bit more...

2014/12/23
Gnomonics: anchient science, or forgotten magic?

There are a lot of knowledge one can get from observing gnomon's shadow, and even more if remember its sacral meaning.

2014/12/23

THEORY

What do sundials tell us at night?

How to calculate moon phase, and make proper correction to sundials readings in the night.

2017/05/15
Basics of analemmatic sundials

How to use and construct analemmatic sundials

2017/01/23
Sun's movement

Basic astronomical conceptions were formulated from geocentric point of view.

2014/12/23
Sundials and Equation of Time

Our timing system is based on regular values. Day duration is always 24 hours. But real Earth movement is irregular. Equation of Time (EOT) defines the difference between true sun time and mean sun time.

2014/12/23

PRACTICE

Calendar ground for analemmatic sundials

The problem of standing at the right place exists for analemmmatic sundials. Can we solve the problem with pedestal?

2017/01/25
Wrist sundials: have sun-fun

Summary of brainstorming about sundials on the wrist.

2016/09/02
Shepherd's sundials from chip's pack

How to make altitude sundials from the pack of Pringles chips.

2016/05/23
What local time is it?

How to calculate local time for certain place.

2014/12/23

TYPES OF SUNDIALS

Equatorial sundials

Armillary sphere

Horizontal sundials

Vertical sundials

Analemmatic sundials

Cylinder sundials

Hemicircle — Scaphe dials

Sorry, figures are renewed

SITE CONTROL

LAST ISSUES

Sun calculator and ephemeris report

Analemmatic sundials - compass for Habana

Сalculation of the Easter's date

What do sundials tell us at night?

Basics of analemmatic sundials

Calendar ground for analemmatic sundials

Wrist sundials: have sun-fun

LINKS

Sun ephemeris calculator

Main types of sundials

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