VALHELAStep 1 · Natal ecliptic coordinates
True 13-Sign & Solar Decoder
Enter your birthday. We place the Sun against the real IAU constellation boundaries, including Ophiuchus, and the fixed 13-month solar year that starts April 1st.
Astronomical scale
True 365-Day Ecliptic Proportions
The 13 True Ecliptic Constellations
IAU boundaries. Days show how long the Sun actually spends in front of each.
Fixed solar timekeeping
The True 13-Month Solar Year
Thirteen months of 28 days starting April 1st, plus one Day Out of Time.
Month 1 · 28 days
Aprilis
Apr 1 – Apr 28
Month 1 • Spring Awakening (True New Year)
Month 2 · 28 days
Maius
Apr 29 – May 26
Month 2 • Growth & Flourishing
Month 3 · 28 days
Junius
May 27 – Jun 23
Month 3 • Solar Ascent
Month 4 · 28 days
Quintilis
Jun 24 – Jul 21
Month 4 • High Summer Solstice
Month 5 · 28 days
Sextilis
Jul 22 – Aug 18
Month 5 • First Ripening
Month 6 · 28 days
Solis
Aug 19 – Sep 15
Month 6 • Golden Harvest
Month 7 · 28 days
September
Sep 16 – Oct 13
Month 7 • 'Septem' = 7 (Equinox)
Month 8 · 28 days
October
Oct 14 – Nov 10
Month 8 • 'Octo' = 8
Month 9 · 28 days
November
Nov 11 – Dec 8
Month 9 • 'Novem' = 9 (Ophiuchus Transit)
Month 10 · 28 days
December
Dec 9 – Jan 5
Month 10 • 'Decem' = 10 (Winter Solstice)
Month 11 · 28 days
Undecimber
Jan 6 – Feb 2
Month 11 • 'Undecim' = 11
Month 12 · 28 days
Duodecimber
Feb 3 – Mar 2
Month 12 • 'Duodecim' = 12
Month 13 · 28 days
Tredecimber
Mar 3 – Mar 30
Month 13 • 'Tredecim' = 13 (+ Mar 31 Zero Day)