Original guides that explain the numbers behind our tools, with the sources and formulas shown.How Much Fertilizer Does Barani Wheat Need Per Acre? Punjab’s Rainfall Zones Explained — Punjab’s three rainfall zones and the per-acre DAP, urea and SOP doses from the Agriculture Department Punjab release of 14 October 2026 — and the Barani Wheat Fertilizer Calculator that works them out for your acreage.How to Convert a Gregorian Date to Hijri — and Why the Islamic Date Can Differ by a Day — How Gregorian and Hijri calendars line up, why the Islamic date can differ by a day, and the Hijri Date Converter.How to Count Words in Urdu Text: Essays, Applications, Assignments and Speeches — How Urdu word counting works, including the Urdu full stop, and the Urdu Word Counter.