Are inputs saved?
Inputs are calculated in your browser and are not sent to a server. When you use sharing, the reproducible URL includes the current conditions.
Time
Show the Japanese era date, eto, and Western zodiac sign from a birth date.
Updated: May 15, 2026
Input
Show the Japanese era date, eto sign, and Western zodiac sign from a birth date.
Eto uses the Gregorian year; zodiac uses common Western date ranges.
Result
Heisei 2, 7/23
Japanese era date
Horse
Eto
Leo
Zodiac
Gregorian: 1990-07-23
Use this as a guide and adjust for your real conditions.
Share this tool
The tool calculates a guide from date, time, and duration inputs.
Inputs are calculated in your browser and are not sent to a server. When you use sharing, the reproducible URL includes the current conditions.
Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.
TOMOSHIBI APPS
TOMOSHIBI also makes small focused apps for practice, capture monitoring, watch-list planning, and short memory play.
PortShot turns your iPad into a capture monitor for USB-C external UVC cameras, with in-app photo and video saving kept separate from the Camera Roll.
Deep Practice Studio helps you turn YouTube links, PDFs, images, videos, and audio into structured practice materials in one place.
Struggling to remember one-time passwords? LOOPT is a memory game built to help you train.