DATE CLOCK

Analog layers of date and time. An holistic hor­o­loge of cyc­lic progression.

Touch hands or digits to show names.

Toggle:

• Gregorian vs lunar months.
• Daylight Shifting (“Saving”) vs Stan­dard Time.
• Origin at top vs bottom.
• Colors.

Each dial is centrally aligned on its origin:

• First second of a minute is zero.
• First minute of an hour is zero.
• First hour of a day is zero.
• First day of a month is one.
• First month of a year is one.

Lunar year is defined from first moon full af­ter winter sol­stice, to last moon full on or before winter solstice.

Years with thirteen full moons count the first as zero, so as to leap (tra­di­tion­al blue, belewe, be­tray­er moon).

Original Sketches

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Lunisolar Calendar Dial

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© 2009, 2018 Jay Pea

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