Calculators and tools

Dates and time

• Day length

  9 h 29 min Today in London: sunrise 06:59, sunset 16:28

• Week number

  Week 45 2026-11-02 – 2026-11-08

• Days calculator

  2026 – 253 working days (England and Wales) Calendar and working days between dates; add or subtract days.

Moon

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  Moon phases

  Waning crescent Today 22% of the Moon’s disc is illuminated

• Sowing calendar

  Today: Favourable Waning Moon – traditionally favourable for root crops and bulbs

• Haircut calendar

  Today: Favourable Traditionally favourable for a haircut – said to help the style keep its shape

Sowing and haircut ratings are based on folk traditions, not science.

Finance

• Percentage calculator

  Percentages, discounts and changes Calculate a percentage of a number or the percentage change between two numbers.

• CAGR calculator

  Compound annual growth Calculate compound annual growth from an initial and a final value.