JEAN MEEUS CH.25 · VSOP87 HARMONIC EPHEMERIS

2041 24 SOLAR TERMS & 72 SEASONAL PENTADS

Solar Ephemeris Summary UTC+7 (Vietnam) & UTC Reference

In Gregorian year 2041, Start of Spring (Lichun, 315 degrees solar longitude), which marks the exact beginning of the Xin You (Rooster) Year Pillar in Four Pillars of Destiny (BaZi) and Flying Star Feng Shui, occurs on 03/02/2041 at 18:25:24 Vietnam Standard Time (UTC+7). The four cardinal astronomical points of 2041 fall on 20/03 at 13:06 for the Vernal Equinox (0°), 21/06 at 06:36 for the Summer Solstice (90°), 22/09 at 22:26 for the Autumnal Equinox (180°), and 21/12 at 19:18 for the Winter Solstice (270°). All 24 timestamps below are computed via Jean Meeus Chapter 25 solar longitude series with VSOP87 harmonic corrections.

Exact 24 Solar Terms Schedule for 2041

Sectional Terms (Jie) initiate each new Solar-Term Month Pillar in Four Pillars of Destiny (BaZi); Principal Terms (Qi) govern lunar leap-month placement.

# Solar Term Ecliptic Vietnam Time (UTC+7) Universal Time (UTC) Lunar Date (UTC+7) BaZi Month Pillar
1 Minor Cold (Xiaohan) 285° 04/01 23:48Z 03/12 Ji Chou
2 Major Cold (Dahan) 300° 19/01 17:13Z 18/12 Ji Chou
3 Start of Spring (Lichun) 315° 03/02 11:25Z 03/01 Geng Yin
4 Rain Water (Yushui) 330° 18/02 07:17Z 18/01 Geng Yin
5 Awakening of Insects (Jingzhe) 345° 05/03 05:17Z 04/02 Xin Mao
6 Vernal Equinox (Chunfen) 0° 20/03 06:06Z 19/02 Xin Mao
7 Pure Brightness (Qingming) 15° 04/04 09:52Z 04/03 Ren Chen
8 Grain Rain (Guyu) 30° 19/04 16:54Z 19/03 Ren Chen
9 Start of Summer (Lixia) 45° 05/05 02:54Z 06/04 Gui Si
10 Grain Buds (Xiaoman) 60° 20/05 15:49Z 21/04 Gui Si
11 Grain in Ear (Mangzhong) 75° 05/06 06:50Z 07/05 Jia Wu
12 Summer Solstice (Xiazhi) 90° 20/06 23:36Z 23/05 Jia Wu
13 Minor Heat (Xiaoshu) 105° 06/07 16:58Z 09/06 Yi Wei
14 Major Heat (Dashu) 120° 22/07 10:26Z 25/06 Yi Wei
15 Start of Autumn (Liqiu) 135° 07/08 02:48Z 11/07 Bing Shen
16 End of Heat (Chushu) 150° 22/08 17:36Z 27/07 Bing Shen
17 White Dew (Bailu) 165° 07/09 05:53Z 13/08 Ding You
18 Autumnal Equinox (Qiufen) 180° 22/09 15:26Z 28/08 Ding You
19 Cold Dew (Hanlu) 195° 07/10 21:47Z 14/09 Wu Xu
20 Frost Descent (Shuangjiang) 210° 23/10 01:02Z 29/09 Wu Xu
21 Start of Winter (Lidong) 225° 07/11 01:13Z 14/10 Ji Hai
22 Minor Snow (Xiaoxue) 240° 21/11 22:49Z 29/10 Ji Hai
23 Major Snow (Daxue) 255° 06/12 18:15Z 14/11 Geng Zi
24 Winter Solstice (Dongzhi) 270° 21/12 12:18Z 28/11 Geng Zi

The 72 Ecological Pentads of 2041

Solar Term First Pentad (Day 1-5) Second Pentad (Day 6-10) Third Pentad (Day 11-15)
Minor Cold (Xiaohan) Wild geese turn back toward the north Magpies begin building lofty nests Pheasants call out across snowy ridges
Major Cold (Dahan) Hens begin brooding early clutches Birds of prey soar swiftly in cold wind Thick ice seals lakes and streams
Start of Spring (Lichun) East wind thaws the frozen earth Hibernating insects stir underground Fish rise beneath the melting ice
Rain Water (Yushui) Otters offer fish along riverbanks Wild geese return northward Trees and grasses sprout tender buds
Awakening of Insects (Jingzhe) Peach blossoms open in spring warmth Orioles sing in the morning mist Hawks transform into gentle cuckoos
Vernal Equinox (Chunfen) Swallows return to build eaves nests First spring thunder rolls across the sky Early lightning illuminates the clouds
Pure Brightness (Qingming) Paulownia trees burst into bloom Field Voles yield to spring quails First rainbows appear after rain
Grain Rain (Guyu) Duckweed begins growing on clear ponds Turtledoves preen their wings Hoopoes perch upon mulberry branches
Start of Summer (Lixia) Tree frogs croak across the paddies Earthworms emerge from damp soil Wild gourds climb garden trellises
Grain Buds (Xiaoman) Sow thistles flourish in early summer Fine meadow grass withers under bright sun Early grain ripens for harvest
Grain in Ear (Mangzhong) Praying mantises hatch from their cases Shrikes call from woodland canopies Mockingbirds fall silent at midday
Summer Solstice (Xiazhi) Deer shed their winter antlers Cicadas begin singing in tall trees Pinellia herbs sprout in shaded soil
Minor Heat (Xiaoshu) Warm summer breezes sweep the plains Crickets shelter beside cool stone walls Young hawks learn to hunt on high cliffs
Major Heat (Dashu) Decaying grass glows with fireflies Humid earth steams in midsummer heat Heavy convective rains nourish the land
Start of Autumn (Liqiu) Cool breezes announce early autumn White morning dew gathers on leaves Evening cicadas chirp in crisp air
End of Heat (Chushu) Hawks hunt briskly across open fields Heaven and earth turn brisk and solemn Late rice grains fill and mature
White Dew (Bailu) Wild geese arrive from the far north Swallows depart for southern coasts Flocks of birds store autumn seeds
Autumnal Equinox (Qiufen) Thunder quiets and withdraws Burrowing insects seal their winter nests Rivers and ponds recede and clear
Cold Dew (Hanlu) Wild geese settle along reed marshes Clams and shells abound along quiet shores Yellow chrysanthemums bloom in frost
Frost Descent (Shuangjiang) Jackals store prey before deep cold Foliage turns golden and falls Hibernating creatures retreat underground
Start of Winter (Lidong) Thin ice forms over still water Topsoil hardens in the morning frost Pheasants dive near coastal marshes
Minor Snow (Xiaoxue) Rainbows vanish from winter skies Heavenly Qi ascends as Earthly Qi settles All nature seals in winter stillness
Major Snow (Daxue) Mountain birds fall silent in deep cold Tigers begin their winter mating cycle Hardy iris shoots stir in frozen soil
Winter Solstice (Dongzhi) Earthworms coil deep beneath frost Moose shed antlers as Yang Qi returns Underground springs begin to warm