Zodiac dates

Sign boundaries are not fixed. The tropical year runs about 365.2422 days, so each ingress drifts roughly six hours a year and snaps back at every leap day — which means the same birthday can fall in different signs in different years.

This year's boundaries · 2026

Aries3.21 – 4.19
Taurus4.20 – 5.20
Gemini5.21 – 6.20
Cancer6.21 – 7.22
Leo7.23 – 8.22
Virgo8.23 – 9.22
Libra9.23 – 10.22
Scorpio10.23 – 11.21
Sagittarius11.22 – 12.21
Capricorn12.22 – 1.19
Aquarius1.20 – 2.18
Pisces2.19 – 3.20

This table is generated by the same solar-longitude formula the rest of the site uses: the sun's position at noon UTC on each date, divided by thirty degrees.

The dates that change · 1930–2030

01.20
  • Capricorn53 Year
  • Aquarius48 Year
02.18
  • Aquarius97 Year
  • Pisces4 Year
02.19
  • Pisces85 Year
  • Aquarius16 Year
03.20
  • Pisces81 Year
  • Aries20 Year
03.21
  • Aries98 Year
  • Pisces3 Year
04.20
  • Aries31 Year
  • Taurus70 Year
05.21
  • Taurus29 Year
  • Gemini72 Year
06.21
  • Gemini62 Year
  • Cancer39 Year
07.22
  • Cancer94 Year
  • Leo7 Year
07.23
  • Cancer15 Year
  • Leo86 Year
08.23
  • Leo36 Year
  • Virgo65 Year
09.22
  • Virgo100 Year
  • Libra1 Year
09.23
  • Virgo27 Year
  • Libra74 Year
10.23
  • Libra64 Year
  • Scorpio37 Year
11.22
  • Scorpio53 Year
  • Sagittarius48 Year
12.21
  • Sagittarius96 Year
  • Capricorn5 Year
12.22
  • Sagittarius14 Year
  • Capricorn87 Year

Every other date holds steady from 1930 to 2030.