If this tool helped you, you can buy us a coffee ☕
Calculate the remaining days until the Major Heat (Dashu) solar term in real time and use traditional solar term timing to plan your schedule.
Lunar and Solar Calendar Converter
A tool for converting dates between the lunar and solar calendars. It supports lunar leap months and is ideal for looking up holidays, birthdays, or historical dates.
Expiration Date Calculator
Calculate the expiration date based on the production date and shelf life, or check the near-expiry and expired status based on the expiration date.
Baby 100 Days Calculator
输入宝宝出生日期，一次查看满月、百日、周岁的公历、农历日期和星期，方便安排庆祝。
Age Calculator
Enter your birth date to instantly calculate your exact age, traditional Chinese age, and total days alive, plus find your Chinese zodiac, horoscope, and lunar birthday.
Lunar and Solar Calendar Converter
A tool for converting dates between the lunar and solar calendars. It supports lunar leap months and is ideal for looking up holidays, birthdays, or historical dates.
Expiration Date Calculator
Calculate the expiration date based on the production date and shelf life, or check the near-expiry and expired status based on the expiration date.
Baby 100 Days Calculator
输入宝宝出生日期，一次查看满月、百日、周岁的公历、农历日期和星期，方便安排庆祝。
Age Calculator
Enter your birth date to instantly calculate your exact age, traditional Chinese age, and total days alive, plus find your Chinese zodiac, horoscope, and lunar birthday.
Bazi to Gregorian Calendar Converter
公历日期与八字四柱双向转换工具，支持紫微派与子平派子时规则，用于命理推算与历法对照。
Wondering how long until Major Heat (Dashu)? This tool uses astronomical algorithms to automatically calculate the exact moment the sun's ecliptic longitude reaches 120°. It displays the remaining days, hours, minutes, and seconds until the Major Heat solar term in real time, helping you plan agricultural activities, wellness routines, or festival arrangements in advance.
Is the date of Major Heat fixed every year?
No, it is not fixed. In the Gregorian calendar, Major Heat usually fluctuates between July 22 and July 23. This tool automatically calculates the exact date for the current year based on astronomical algorithms.
Do I need to manually refresh the countdown data?
No manual refresh is required. The page automatically updates the countdown data every second to ensure real-time accuracy.
This tool calculates time based on China Standard Time (UTC+8). If you stay on the page for an extended period, we recommend refreshing occasionally to ensure data synchronization. The results are for reference only; for major scheduling, please refer to official observatory data.
The Major Heat solar term corresponds to a solar ecliptic longitude of 120°. The calculation must account for the precession of the Earth's orbit and calendar corrections. Typical dates: July 22, 2024, at 21:27 (Beijing Time), and July 23, 2025, at 03:06. Agricultural workers are advised to flexibly apply the countdown information in combination with local climate characteristics.
