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Free BaZi calculator — transparent true solar time
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Free Four Pillars (BaZi) calculator: clock, mean & true solar time, solar terms to the minute, and decade luck. Choose the early Rat hour rule. How We Calculate + lunar-javascript cross-check on pillars. Entertainment & self-reflection only.
PH · launched Nov 5, 2026 · 1 upvote (top 65%) · 0 views
Niche: specialized calculation tools · 551 launches, 66 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Horizontal
- B2C
- Not AI
- Commercial product
- Productivity
- Lifestyle
- Pop culture
Visit website ↗ Source listing ↗
More like this: all 551 launches in specialized calculation tools →
Could you build this?
Yes BaZi calculation relies on solar-term and true-solar-time astronomy, which has open algorithms and existing libraries such as lunar-javascript for cross-checks. The rest is a calculator UI.
Competitors
Other products that read as similar to this one : 239 launches clear the similarity bar, closest 8 shown.
Attention rank: #62 of 240 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 356 days after the earliest competitor.
- Bazi Pan · ph · 2026-11-12 · 1 upvotes · similarity 0.68
- TruePillar · ph · 2026-10-15 · 1 upvotes · similarity 0.67
- BaziInsight · ph · 2026-09-30 · 1 upvotes · similarity 0.65
- BaZi Web · ph · 2026-09-15 · 1 upvotes · similarity 0.56
- Five Elements of You — BaZi Calculator · ph · 2026-10-23 · 1 upvotes · similarity 0.54
- 8 Signs · ph · 2026-10-06 · 1 upvotes · similarity 0.54
- Tử Vi Bát Tự 2026 - Xem Tử Vi · ph · 2026-11-14 · 1 upvotes · similarity 0.51
- YUVYN · ph · 2026-10-06 · 1 upvotes · similarity 0.50
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.