Does Lunar ↔ Solar upload my file or text to Tool-You servers?

No. Lunar ↔ Solar runs in this browser tab. Files stay on the device. Limit note: Lunar month 1–12; leap optional.

Should I use BaZi Four Pillars instead of Lunar ↔ Solar?

Use Lunar ↔ Solar when you need Convert Gregorian and Chinese lunar dates. Use BaZi Four Pillars when you need Four pillars from birth date and hour. They share a category (Date & time) but not the same job.

Lunar ↔ Solar

Convert Gregorian and Chinese lunar dates.

Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.

What Lunar ↔ Solar does

Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.

Practical limit for Lunar ↔ Solar: Lunar month 1–12; leap optional. That is why output can differ from heavy desktop Date & time software. Read the tool-specific note again: Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.

How to use Lunar ↔ Solar

Confirm you need Lunar ↔ Solar, not BaZi Four Pillars (Four pillars from birth date and hour.). Address: /datetime/lunar-solar.
Enter the numbers or dates Lunar ↔ Solar uses. Convert Gregorian and Chinese lunar dates.
Read the result as Lunar ↔ Solar defines it — not as Date Difference (Count days, weeks, and calendar span between dates.). Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.
Lunar ↔ Solar is an estimate in the browser, not professional advice. Lunar month 1–12; leap optional.
Need a different formula? Try Date Difference (Count days, weeks, and calendar span between dates.) instead of stretching Lunar ↔ Solar.

When not to use Lunar ↔ Solar

Skip Lunar ↔ Solar when a neighbor tool matches better — start with BaZi Four Pillars or Date Difference — or when the description already warns the job will fail. In the tool’s own words: Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.

Questions about Lunar ↔ Solar

What does Lunar ↔ Solar do that other Date & time pages on this site do not?: Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory. Short version: Convert Gregorian and Chinese lunar dates.
Does Lunar ↔ Solar upload my file or text to Tool-You servers?: No. Lunar ↔ Solar runs in this browser tab. Files stay on the device. Limit note: Lunar month 1–12; leap optional.
Should I use BaZi Four Pillars instead of Lunar ↔ Solar?: Use Lunar ↔ Solar when you need Convert Gregorian and Chinese lunar dates. Use BaZi Four Pillars when you need Four pillars from birth date and hour. They share a category (Date & time) but not the same job.
What are the limits of Lunar ↔ Solar?: Lunar month 1–12; leap optional. Also: Solar to lunar or lunar to solar. Leap months supported. Check against known festivals. Local tables, not an observatory.