Date Time

Run a guided 12-move circuit timer with adjustable work and transition intervals, safer substitutions and browser cues, plus a complete time plan.

Build and run an AMRAP workout timer with round-split planning, pace warnings and live partial-score logging that stays in your browser.

Calculate calendar age between two dates with elapsed totals and a leap-day anniversary rule, then plan upcoming birthdays and milestones.

Calculate billable hours from duration or clock entries with rounding and write-down rules, then review net value and realization warnings.

Calculate exact calendar age and the next birthday from any reference date with leap-day choices, milestone dates, and reminder windows.

Plan and run boxing-style rounds with exact work and rest timing, warning cues and live phase controls, plus a browser-local session log.

Find a breast milk use-by time from its current state and storage condition, with CDC-based windows and stricter care-context cautions.

Count business days or move a deadline with custom weekends and holidays, endpoint rules, and a date-by-date exclusion record.

Track nightly sleep timing and CBT-I patterns with local diary storage plus seven-night efficiency averages, wake drift, and trend review.

Plan a diary-based CBT-I sleep window around a fixed wake time, then review efficiency bands, safety floors and weekly adjustment cues.

Create an import-ready ICS event with correct date boundaries and time-basis handling, plus escaped text, reminders and validation checks.

Run a two-player chess clock with increment or delay rules, low-time cues, and a move ledger for casual games and timed practice.

Plan a circuit training session with named stations and realistic transitions while checking round recovery, work density, and the live phase schedule.

Plan coffee recipes for pour-over through espresso with mass-balance dose math, strength and extraction checks and controlled dial-in guidance.

Estimate a coffee bag’s roast-date freshness window with adjustments for brewing style and grind plus storage exposure and daily use.

Count down to a deadline using local, UTC, fixed-offset or named time-zone rules with optional buffers plus progress and planning milestones.

Parse five-field Unix cron expressions, preview upcoming runs in local time or UTC, and flag dialect, day-matching, and timezone risks.

Check one browser-clock instant in local and UTC forms, capture stable ISO 8601 and Unix values, and spot a nearby date boundary.

Calculate elapsed time across dates and UTC offsets while separating workdays, business-window hours and holiday-adjusted checkpoints.

Build an EMOM minute plan with repeatable movement targets, estimated rest buffers, pacing warnings, and a live workout timer.

Estimate EV charging time from battery and power limits with taper and losses, then check added range, session cost and departure fit.

Convert epoch seconds, milliseconds, or a wall-clock date into UTC and selected-zone timestamps with explicit offset and precision rules.

Build an event run sheet from pasted session rows, keep fixed cues or continuous flow, and catch overlaps and tight handoffs before publishing.

Build a frost-aware vegetable garden calendar with crop start dates and succession cutoffs, plus weekly workload and generic-profile warnings.

Estimate a goat kidding window from an exact service date or exposure range, with published gestation profiles and optional herd milestones.

Calculate growing degree days from dated weather rows, compare averaging methods and temperature caps, and track progress toward stage checkpoints.

Plan and run a HIIT workout with named exercises plus warm-up and cooldown phases, work-density checks, and clear live interval cues.

Calculate an invoice due date from Net, end-of-month or business-day terms with explicit weekend and holiday rules plus an auditable date path.

Calculate an invoice late fee from the outstanding balance and chargeable days, with your rate method plus any minimum, cap and rounding rule.

Plan a fixed or open-ended meditation sit with a prep countdown, interval chimes, visual cues, and a browser-based live timer.

Generate NTP configuration for Linux daemons or Cisco devices with source compatibility checks and warnings for unsafe fallback settings.

Review NTP or chrony peer evidence for clock offset and uncertainty with configurable gates for stratum, reach, and source selection.

Compare one instant across local, UTC, and IANA time zones, check handoff work windows, and prepare calendar-ready UTC event text.

Estimate likely ovulation and fertile-window dates from cycle timing, with recent-cycle variability cues and clear calendar limits.

Estimate a sequential patch window from fleet size and concurrency, then test phase timing and reserves against fit, slack and rollback needs.

Plan focus rounds and short or long breaks, estimate a goal finish time, and run a browser-based Pomodoro countdown with quiet cues.

Estimate a pregnancy due date using LMP or conception records, IVF transfer details or ultrasound dating with gestational age and term dates.

Build a paced progressive muscle relaxation routine that sequences body regions with tense-and-release timing, comfort reminders, and live cues.

Predict a race finish from a recent result using the Riegel formula, then compare condition scenarios with target paces and even splits.

Build race pace and finish-time plans from a goal, recent result, or training block with stop-aware splits and scenario comparisons.

Track live race laps or review pasted splits with pace-by-segment comparisons and finish-time checks across kilometre, mile or 100 m views.

Count Schengen short-stay days across moving 180-day windows, test a proposed trip, parse passport stamps, and plan a compliant re-entry date.

Calculate recent sleep debt from a 7- or 14-night log with chronological deficits, optional surplus credit, recovery days and bedtime guidance.

Rank sleep-hygiene priorities from completed screeners and diary estimates, with safety holds and cautious time-in-bed comparison rows.

Turn weekly sleep-efficiency values into a fixed-wake adjustment plan with explicit thresholds, bounded changes, and daytime-safety guidance.

Keep a live multi-sport scoreboard with preset scoring actions, editable counters, undoable event history and clear manual-correction checks.

Check Swiss station departures or arrivals with public timetable data and follow platform, delay, and route-stop changes for one service.

Plan and run classic 20/10 or custom Tabata-style intervals with exercise rotation and work-density totals, phase cues, and set recovery.

Set a metronome pulse and build a bounded practice ramp with tap tempo and swing timing plus beat-duration tables and local audio playback.

Calculate elapsed time or shift a clock value with overnight handling and break deductions, plus exact results or optional policy rounding.

Find meeting windows across supported IANA time zones, then compare full work-hour overlap with weighted fallback times for each participant.

Calculate frame-accurate timecode spans with drop-frame validation and endpoint rules, then add 24-hour wrap or pull handles when needed.

Plan segmented travel time, stops, a schedule allowance, and time-zone-aware arrival from entered distances and average speeds.

Estimate UPS runtime from real load and battery energy while applying efficiency and health factors, reserve, watt and VA limits and shutdown margin.