Idols
Born on this date
| Idol | Group | Born | Zodiac animal | Sun sign | Day master |
|---|---|---|---|---|---|
| Sophia | KATSEYE | Horse | Capricorn | 癸 Gye · Yin Water |
Dates follow Korea Standard Time (KST, UTC+9), the way K-pop birthdays are usually counted. Birth hours aren't public, so anything that changes during the day is given as a count over the years.
Western zodiac
The sun on December 31
From 1950 to 2030, the sun is in Capricorn for all of December 31 in every year, Korea time. Capricorn is an earth sign and a cardinal one.
In a typical year Capricorn season runs from Dec 22 to Jan 19, so December 31 is day 10 of it.
Saju
December 31 in the saju calendar
In the saju calendar December 31 always falls in the Rat month (子), the middle month of winter, which starts around Dec 7. Every chart born on this day has 子 (Water) as its month branch, the branch saju weighs most when it judges a day master's support.
Chinese zodiac
Zodiac animals
Sophia (2002): Horse. See the Chinese zodiac chart.
Shared birthdays
Who else shares the date
Sophia is the only idol with an idol page on Bias Match born on December 31, one of 134 dates with an idol birthday so far.
The nearest idol birthdays are December 30 (Joshua and V) before and January 1 (Winter) after.
Free. Enter your birthday on the next page; we don't store it. Or work out your own chart with the saju calculator.
About this page
How this page is made
The text is fixed sentence templates filled in with public birth dates and facts the Bias Match engine calculates for each date from 1950 to 2030; no AI model generates or rewrites it, and it has no photos.
Birth date sources: Sophia: Wikidata.
If something here is wrong, or you'd like a name removed, email hello@tiptoe.love. We fix or remove entries on request.
Fan-made, for entertainment only. Bias Match is not affiliated with Sophia, KATSEYE or HYBE x Geffen.