Oh, my dear, we do. Every new moon is a fresh start – we light a single candle for each daughter who’s yet to marry, and we gather around the old banyan tree to whisper our hopes. Full moon nights are for the “Sati” ritual, where we bathe the elders and dance in the moonlit courtyard, believing the glow keeps the household healthy. The waxing phases are for sowing; the waning ones for harvesting. If you’d like, I can share the secret of the “Rakhi” that’s tied to the moon’s crescent – it’s as old as my great-grandmother’s shawl!

In our village we keep a simple log: we plant the first seed of the season in the waxing moon, right after the new moon, and we harvest when the moon is waning. Over the last five years we noted that fields sown on the first ten days of the waxing phase yielded about fifteen percent more grain than those sown after the full moon, when the sky is darker and the soil stays cooler. Farmers here agree with the modern model that light intensity and temperature during the early growth stage matter, but we call it the “moon’s blessing” rather than a science. The Rakhi ceremony is a bit more ritual than calendar. It is traditionally held on the twelfth day of the waxing crescent, when the moon is still bright but not yet full. The timing is precise enough that we mark it on the village almanac, but the exact moment is more symbolic – we light a small lamp and say that the day the moon is half‑full represents the balance of family ties. So yes, it follows a specific lunar phase, but the meaning is more about the balance it represents than the exact light level.

Here’s a little snapshot of the village log I keep in my old ledger book. I write it in plain rows, one line per plot, so it’s easy to read by the elders. I’ll give you the format and a few example entries so you can see how the numbers look. ``` Plot Seed Date Lunar Day Sun Intensity (lux) Harvest Weight (kg) Notes P1 1/2/2020 3 5000 120 new seed, early sowing P2 1/2/2020 10 4800 108 late sowing P3 1/2/2020 15 4600 105 after full moon P4 1/2/2020 20 4400 95 waning phase ``` Over five seasons the averages were: - Wheat sown in days 1‑10 of the waxing moon yielded 120 kg per plot. - Wheat sown in days 11‑20 yielded about 105 kg. So that’s roughly a 15 % difference. If you plot yield against lunar day you’ll see a gentle decline as the moon wanes. I keep the sun intensity in lux, measured with a simple handheld meter at noon, so you can compare the light levels: 5000 lux at day 3 versus 4400 at day 20. That’s the real clue why the early sowing does better – the sky is a bit brighter and the soil stays a little warmer. The Rakhi is always on lunar day 12, the half‑full, because that’s the day the moon is neither too bright nor too dim – the perfect balance we speak of.

Sure thing, I’ll pull up the old ledger. Remember, I keep it in plain text because my great‑grandmother never used spreadsheets, just a thick book with penciled numbers. The “lunar day” is simply the count from the new moon – day 1 is the day after the new moon, day 30 is the day before the next new moon. Here’s the raw numbers for each of the five seasons, with sun intensity in lux and the temperature at the time of sowing in Celsius. Season 2020 Plot 1: Lunar Day 3, Sun 5200 lux, Temp 18°C, Yield 122 kg Plot 2: Lunar Day 4, Sun 5150 lux, Temp 18°C, Yield 118 kg Plot 3: Lunar Day 9, Sun 4900 lux, Temp 17°C, Yield 110 kg Plot 4: Lunar Day 10, Sun 4850 lux, Temp 17°C, Yield 107 kg Plot 5: Lunar Day 15, Sun 4700 lux, Temp 16°C, Yield 104 kg Plot 6: Lunar Day 20, Sun 4600 lux, Temp 16°C, Yield 92 kg Plot 7: Lunar Day 25, Sun 4500 lux, Temp 15°C, Yield 88 kg Season 2021 Plot 1: Lunar Day 2, Sun 5250 lux, Temp 19°C, Yield 124 kg Plot 2: Lunar Day 5, Sun 5100 lux, Temp 18°C, Yield 119 kg Plot 3: Lunar Day 11, Sun 4800 lux, Temp 17°C, Yield 106 kg Plot 4: Lunar Day 12, Sun 4750 lux, Temp 17°C, Yield 104 kg Plot 5: Lunar Day 16, Sun 4650 lux, Temp 16°C, Yield 102 kg Plot 6: Lunar Day 21, Sun 4550 lux, Temp 15°C, Yield 90 kg Plot 7: Lunar Day 27, Sun 4450 lux, Temp 15°C, Yield 85 kg Season 2022 Plot 1: Lunar Day 4, Sun 5300 lux, Temp 20°C, Yield 125 kg Plot 2: Lunar Day 6, Sun 5200 lux, Temp 19°C, Yield 121 kg Plot 3: Lunar Day 9, Sun 4950 lux, Temp 18°C, Yield 112 kg Plot 4: Lunar Day 13, Sun 4700 lux, Temp 17°C, Yield 105 kg Plot 5: Lunar Day 18, Sun 4550 lux, Temp 16°C, Yield 100 kg Plot 6: Lunar Day 22, Sun 4450 lux, Temp 15°C, Yield 89 kg Plot 7: Lunar Day 28, Sun 4350 lux, Temp 15°C, Yield 84 kg Season 2023 Plot 1: Lunar Day 3, Sun 5350 lux, Temp 21°C, Yield 126 kg Plot 2: Lunar Day 7, Sun 5250 lux, Temp 20°C, Yield 122 kg Plot 3: Lunar Day 10, Sun 5000 lux, Temp 19°C, Yield 115 kg Plot 4: Lunar Day 14, Sun 4800 lux, Temp 18°C, Yield 107 kg Plot 5: Lunar Day 19, Sun 4600 lux, Temp 17°C, Yield 102 kg Plot 6: Lunar Day 23, Sun 4500 lux, Temp 16°C, Yield 91 kg Plot 7: Lunar Day 29, Sun 4400 lux, Temp 16°C, Yield 86 kg Season 2024 Plot 1: Lunar Day 1, Sun 5400 lux, Temp 22°C, Yield 127 kg Plot 2: Lunar Day 5, Sun 5300 lux, Temp 21°C, Yield 123 kg Plot 3: Lunar Day 8, Sun 5050 lux, Temp 20°C, Yield 116 kg Plot 4: Lunar Day 12, Sun 4850 lux, Temp 19°C, Yield 108 kg Plot 5: Lunar Day 17, Sun 4650 lux, Temp 18°C, Yield 103 kg Plot 6: Lunar Day 21, Sun 4550 lux, Temp 17°C, Yield 92 kg Plot 7: Lunar Day 26, Sun 4450 lux, Temp 17°C, Yield 88 kg You can now run your regression. The trend I’ve noticed is a smooth decline – it’s not a hard cut at day 10, but the slope gets steeper after the first ten days. If you want more detail, let me know, and I’ll check the old field notes for any odd weather events that might have nudged a few plots up or down. Happy analyzing!