Solar terms in 2100
The exact moment of all 24 solar terms in 2100, in China Standard Time and UTC.
| Term | China Standard Time | UTC | Sun at | Meaning |
|---|---|---|---|---|
| Minor Cold | Jan 5 03:29 PM | Jan 5 07:29 AM | 285° | Cold is building. |
| Major Cold | Jan 20 08:45 AM | Jan 20 12:45 AM | 300° | The coldest stretch. |
| Start of Spring | Feb 4 02:59 AM | Feb 3 06:59 PM | 315° | Spring begins by the old calendar. |
| Rain Water | Feb 18 10:36 PM | Feb 18 02:36 PM | 330° | Snow gives way to rain. |
| Awakening of Insects | Mar 5 08:33 PM | Mar 5 12:33 PM | 345° | Thunder wakes the insects. |
| Spring Equinox | Mar 20 09:03 PM | Mar 20 01:03 PM | 0° | Day and night are equal. |
| Pure Brightness | Apr 5 12:43 AM | Apr 4 04:43 PM | 15° | Clear air; a time to tend family graves. |
| Grain Rain | Apr 20 07:24 AM | Apr 19 11:24 PM | 30° | Rain that helps grain grow. |
| Start of Summer | May 5 05:20 PM | May 5 09:20 AM | 45° | Summer begins. |
| Grain Buds | May 21 05:56 AM | May 20 09:56 PM | 60° | Grain fills but isn’t ripe. |
| Grain in Ear | Jun 5 08:57 PM | Jun 5 12:57 PM | 75° | Time to sow millet and harvest wheat. |
| Summer Solstice | Jun 21 01:31 PM | Jun 21 05:31 AM | 90° | The longest day in the north. |
| Minor Heat | Jul 7 06:58 AM | Jul 6 10:58 PM | 105° | Heat is building. |
| Major Heat | Jul 23 12:23 AM | Jul 22 04:23 PM | 120° | The hottest stretch. |
| Start of Autumn | Aug 7 04:53 PM | Aug 7 08:53 AM | 135° | Autumn begins. |
| End of Heat | Aug 23 07:47 AM | Aug 22 11:47 PM | 150° | The heat ends. |
| White Dew | Sep 7 08:15 PM | Sep 7 12:15 PM | 165° | Dew forms in the cool nights. |
| Autumn Equinox | Sep 23 06:00 AM | Sep 22 10:00 PM | 180° | Day and night are equal again. |
| Cold Dew | Oct 8 12:31 PM | Oct 8 04:31 AM | 195° | Dew turns cold. |
| Frost Descent | Oct 23 04:00 PM | Oct 23 08:00 AM | 210° | The first frost comes. |
| Start of Winter | Nov 7 04:20 PM | Nov 7 08:20 AM | 225° | Winter begins. |
| Minor Snow | Nov 22 02:09 PM | Nov 22 06:09 AM | 240° | Light snow starts. |
| Major Snow | Dec 7 09:40 AM | Dec 7 01:40 AM | 255° | Heavier snow. |
| Winter Solstice | Dec 22 03:50 AM | Dec 21 07:50 PM | 270° | The shortest day in the north. |
Each term is the moment the Sun reaches a set position, so its date is a calculation, not a custom. The names come from farming life in the Yellow River valley and fit other climates loosely.