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Every Dates & Times calculator in one place. Countdown, exact age, days between dates, the long-weekend maximiser and statutory holiday entitlement, each showing the date maths and UK source behind it.

Check which day-count band of the HMRC Statutory Residence Test your UK days fall in, including the 183-day automatic-residence threshold and the sufficient-ties ranges. Counts days, does not decide residence.

Find the moon phase, illuminated percentage and the moon age for any date, plus the next new and full moon. Uses the standard 29.53-day synodic-month formula.

Check whether a date range lands in the England school holidays or term time, and how many days overlap each holiday, so you can line up your leave with the kids being off. Representative 2026 dates.

Project a shift rota such as 4 on 4 off forward from your start date and see every work day and rest day, week by week, with totals. Supports common patterns or your own custom block.

Work out when to go to bed, or when to wake, so you finish a full 90-minute sleep cycle and wake less groggy. Free, instant, and it shows the cycle maths behind the times.

Sunrise, sunset, solar noon and day length for any UK location and date, using the standard NOAA solar formula. Pick a city or enter your own latitude and longitude. Times in UK local time.

Convert a date and time from one time zone to several others at once, with a working-hours flag for each city, so you can plan an international meeting. Daylight saving handled automatically.

Find the ISO 8601 week number for any date, or turn a week number back into its Monday-to-Sunday dates. Uses the international standard where week 1 holds the first Thursday.

Find your UK State Pension age and the date you reach it from your date of birth, under the current Pensions Act rules: 66 now, rising to 67 then 68. Free, instant, shows the rules.

The UK bank holidays for England and Wales, Scotland and Northern Ireland, when the next one falls, and when Easter and the clocks change, with the official gov.uk source.

A live countdown to the next UK tax-year and Self Assessment deadlines: 5 April year end, 31 January online filing, 31 July payment on account, 31 October paper return and 5 October registration.

Turn a few annual leave days into long breaks by booking around the 2026 UK bank holidays, and work out your statutory holiday entitlement, with the gov.uk and Working Time Regulations rules shown in full.

Work out paid holiday for irregular-hours and part-year workers at 12.07% of hours worked, in hours, days and rolled-up holiday pay. Follows the GOV.UK Working Time Regulations method.

Plain-English guides to UK bank holidays, annual leave, holiday entitlement and working days, each citing the official gov.uk source and linking to the calculator that does the maths.

What counts as a working day, how to count Monday to Friday between two dates, and where UK bank holidays fit in. With a worked example and the calculator that does it.

Book your annual leave around the 2026 UK bank holidays to turn a few days off into long breaks. The bridging method explained, with the official gov.uk dates.

How statutory UK holiday entitlement works: the 5.6 weeks minimum, the 28-day cap, pro-rata for part-time staff and the 12.07% method for irregular and casual hours.

Every 2026 UK bank-holiday date for England and Wales, Scotland and Northern Ireland, with the day of the week and which nations each one applies in. Source: gov.uk.

Every UK bank holiday for England and Wales, Scotland and Northern Ireland in and , as a clean data table. Auto-updated from the official gov.uk Bank Holidays feed at build time.

How the UK calendar compares: working days in 2026, public holidays against other countries, and the official gov.uk Bank Holidays feed behind it all.

How many bank holidays and working days the UK has in 2026, per nation, against other countries, with every figure cited to gov.uk, ONS and OECD.

Dates & Times is an independent UK calendar, dates and time information service, operated by Best Business Loans Ltd, with a named editor and cited official sources.

is the calculators and data desk behind Dates & Times, the UK calendar, dates and time tools site.

The named editorial team behind Dates & Times.

The public registrations and identifiers for Best Business Loans Ltd, the company that operates Dates & Times, each linked to its primary register.

Read-only public API and MCP server for UK date maths: age, date difference and working days, statutory holiday entitlement, the long-weekend maximiser, and the 2026 UK bank holidays. OpenAPI 3.1, CC BY 4.0.

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Free UK tools for bank holidays, countdowns, your exact age, days between dates, long-weekend planning and holiday entitlement. Every tool shows the date maths and cites the official UK source.