🎂 生日資訊計算器
Birthday Info Calculator
支援西元(YYYY-MM-DD)或民國年格式(如 79-05-20)
Accepts Gregorian (YYYY-MM-DD) or ROC year (e.g. 79-05-20)
什麼是生日資訊計算器?
What is the Birthday Info Calculator?
生日資訊計算器是一款多功能免費工具,只需輸入出生日期,即可一次獲得西元與民國生日、精確年齡(歲/月/日)、實歲與虛歲、生肖、西洋星座,以及農曆日期與干支紀年等完整資訊。無論是填寫政府文件、辦理保險、查詢傳統節慶,還是單純滿足對自己生日的好奇心,都能在幾秒內得到答案。
The Birthday Info Calculator is a free, all-in-one tool. Simply enter your birth date to instantly retrieve your Gregorian and ROC (Republic of China) birthday, exact age in years/months/days, actual and East Asian age, Chinese zodiac sign, Western astrological sign, and full lunar calendar date with Heavenly Stems and Earthly Branches — everything you need in one place.
如何使用?
How to Use?
- 點擊欄位選擇出生日期,或直接輸入(支援西元與民國格式)
Click the field to pick a date, or type it directly in Gregorian or ROC format - 點擊「計算 / Calculate」按鈕
Click the Calculate button - 查看下方顯示的完整生日資訊,所有欄位同步呈現
View the complete birthday information displayed below — all fields appear at once
計算結果包含哪些資訊?
What Does the Result Include?
- 西元生日 (Gregorian): 標準陽曆生日,如 1990-05-20
Standard Gregorian calendar birthday, e.g. 1990-05-20 - 民國生日 (ROC): 中華民國曆法生日,如 79-05-20
Republic of China calendar birthday, e.g. 79-05-20 - 年齡(歲/月/日): 精確至今日的實際年齡
Exact age broken down into years, months, and days as of today - 實歲 / 虛歲: 同時提供國際通用與東亞傳統計算方式
Both international actual age and traditional East Asian age - 生肖 (Zodiac Animal): 依農曆年份精確判斷,如 馬 / Horse
Chinese zodiac based on lunar year, e.g. 馬 / Horse - 星座 (Western Zodiac): 依陽曆生日判斷,如 金牛座 / Taurus
Western astrological sign based on solar date, e.g. Taurus 金牛座 - 農曆生日與干支: 完整農曆日期,含天干地支紀年,如 庚午年四月廿七日
Full lunar calendar date with Heavenly Stems and Earthly Branches
適用情境
When to Use This Tool?
- 填寫需要民國年格式的報名表單、學籍資料或政府文件
Fill in forms or government documents requiring the ROC date format - 查詢個人生肖與西洋星座,用於社交話題或命理參考
Look up your Chinese zodiac and Western star sign for social or astrological reference - 換算農曆生日,規劃傳統節慶祭祀或安排農曆壽宴
Convert birthday to the lunar calendar for traditional festivals or ceremonies - 計算實歲與虛歲,應用於保險核保、醫療問診或法律文件
Determine actual vs. East Asian age for insurance, medical, or legal purposes - 確認精確年齡(歲/月/日),用於申請兒童補助、退休金或其他需要詳細年資的場合
Confirm exact age in years, months, and days for child benefits, pension applications, or seniority calculations - 查詢出生干支紀年,用於命理推算、八字分析或傳統曆法研究
Look up the Heavenly Stems and Earthly Branches for fortune-telling, BaZi analysis, or traditional calendar research
常見問題
Frequently Asked Questions
實歲和虛歲有什麼差別?
實歲(周歲)為國際通用計算方式,以「生日」為基準,每過一個生日才增加一歲。虛歲則是東亞傳統計算法,出生時即算一歲,此後每過一個農曆新年再增一歲,因此虛歲通常比實歲大 1 至 2 歲。虛歲在保險、傳統醫療及部分民俗習慣中仍有沿用。
Actual age (周歲) is the internationally used method — one year is added on each birthday. East Asian age (虛歲) starts at one at birth and adds a year at each Lunar New Year, making it typically 1–2 years higher than actual age. It is still used in insurance, traditional medicine, and cultural contexts.
民國年和西元年怎麼換算?
民國年加上 1911 即得西元年,例如民國 79 年 = 1911 + 79 = 西元 1990 年;反之,西元年減去 1911 則得民國年。本工具支援直接輸入民國年格式(如「79-05-20」),自動轉換,無需手動計算。
Add 1911 to the ROC year to get the Gregorian year (e.g. ROC 79 = 1911 + 79 = 1990). This tool accepts ROC date format (e.g. 79-05-20) directly and converts automatically.
農曆生日如何換算?
農曆(陰曆)以月亮週期為基礎,每月約 29.5 天,全年約 354 天,並透過「閏月」機制與陽曆保持同步。農曆日期換算較為複雜,本工具已內建完整農曆演算法,可自動計算您的農曆出生日期及干支紀年,無需另行查閱農民曆。
The lunar calendar is based on moon cycles (~29.5 days/month, ~354 days/year) and stays synchronized with the solar calendar via intercalary months. Our tool uses a complete built-in algorithm to automatically calculate your lunar birthday and Stems-Branches year — no need to consult a traditional almanac.
生肖是根據農曆年還是西元年計算?
生肖以十二地支為基礎,依農曆年份循環排列:鼠、牛、虎、兔、龍、蛇、馬、羊、猴、雞、狗、豬。由於農曆新年通常落在西元 1 月下旬至 2 月下旬,若生日在農曆新年之前,當年生肖可能與西元年份對應的生肖不同,本工具會依農曆精確判斷,避免誤判。
The Chinese zodiac is based on the lunar year, cycling through 12 animals. Since Lunar New Year falls between late January and late February, birthdays before Lunar New Year belong to the previous zodiac year. This tool calculates zodiac based on the exact lunar year to avoid errors.
西洋十二星座的日期範圍是什麼?
西洋星座依陽曆出生月日劃分:牡羊(3/21–4/19)、金牛(4/20–5/20)、雙子(5/21–6/20)、巨蟹(6/21–7/22)、獅子(7/23–8/22)、處女(8/23–9/22)、天秤(9/23–10/22)、天蠍(10/23–11/21)、射手(11/22–12/21)、摩羯(12/22–1/19)、水瓶(1/20–2/18)、雙魚(2/19–3/20)。
Western zodiac signs by solar date: Aries (3/21–4/19), Taurus (4/20–5/20), Gemini (5/21–6/20), Cancer (6/21–7/22), Leo (7/23–8/22), Virgo (8/23–9/22), Libra (9/23–10/22), Scorpio (10/23–11/21), Sagittarius (11/22–12/21), Capricorn (12/22–1/19), Aquarius (1/20–2/18), Pisces (2/19–3/20).
輸入日期格式有什麼限制?
本工具支援兩種格式:西元格式(YYYY-MM-DD,如 1990-05-20)以及民國年格式(如 79-05-20)。亦可點擊欄位使用行事曆選取器,自動填入正確格式。若輸入不存在的日期(如 2 月 30 日),工具將顯示錯誤提示,請確認輸入日期正確無誤。
Two formats are accepted: Gregorian (YYYY-MM-DD, e.g. 1990-05-20) and ROC year (e.g. 79-05-20). You may also use the calendar picker by clicking the input field. Invalid dates (e.g. February 30) will trigger an error prompt.
為什麼選擇本工具?
Why Use This Tool?
市面上多數生日計算工具只能提供單一功能,例如僅計算年齡或僅查詢星座。本工具整合西元曆、民國曆、農曆、干支、生肖、星座六大資訊系統,一次輸入即可獲得完整結果,省去逐一查詢的繁瑣步驟,且完全免費、免登入、不儲存任何個人資料。
Most birthday tools offer only a single function — age calculation or zodiac lookup. This tool integrates six calendar and cultural systems: Gregorian, ROC, Lunar, Stems-Branches, Chinese Zodiac, and Western Zodiac. One input delivers a complete set of results, saving time and eliminating the need to consult multiple sources. It is entirely free, requires no login, and stores no personal data.
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總結
Summary
無論是行政用途、傳統文化參考,還是日常對自己生日的好奇,生日資訊計算器都能快速且準確地提供所需答案。支援民國年與農曆輸入,整合七大計算結果,是查詢個人生日完整資訊的最佳免費工具。
Whether for administrative needs, cultural reference, or everyday curiosity, the Birthday Info Calculator delivers fast, accurate, and comprehensive results. Supporting ROC year and lunar calendar formats, and providing seven types of birthday information in one step, it is the best free tool for complete personal date information.