Playground

Change the schedule and the start, and see where the working hours land. Everything is computed by workclock in your browser.

Time to add (working hours)

Start

Working hours

Working days

Break

Holidays

Fri 25 Dec 2026
Mon 28 Dec 2026

Time zone

Due 09:30 on Wednesday 30 December 2026 (Europe/London)

Thu 24
Fri 25
Sat–Sun
Mon 28
Tue 29
Wed 30

Working hours 09:00–17:00, break 12:00–13:00. Times in Europe/London.

Loading workclock…

The same call in code

A complete program for the inputs above. It changes as you change them.

use jiff::civil::{date, time};
use jiff::{SignedDuration, Zoned};
use workclock::{Break, Holidays, Schedule, Weekdays, WorkDay};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let days = Weekdays::MON_TO_FRI;
    let schedule = Schedule::builder()
        .time_zone("Europe/London")
        .rule(WorkDay::new(time(9, 0, 0, 0), time(17, 0, 0, 0), days))
        .rule(Break::new(time(12, 0, 0, 0), time(13, 0, 0, 0), days))
        .rule(Holidays::new([date(2026, 12, 25), date(2026, 12, 28)]))
        .build()?;

    let opened: Zoned = "2026-12-24T16:30[Europe/London]".parse()?;
    let due = schedule.add(&opened, SignedDuration::from_hours(8))?;
    println!("{due}"); // due: Wed 30 Dec 2026, 09:30 in Europe/London
    Ok(())
}

use jiff::civil::{date, time};use jiff::{SignedDuration, Zoned};use workclock::{Break, Holidays, Schedule, Weekdays, WorkDay};fn main() -> Result<(), Box<dyn std::error::Error>> {    let days = Weekdays::MON_TO_FRI;    let schedule = Schedule::builder()        .time_zone("Europe/London")        .rule(WorkDay::new(time(9, 0, 0, 0), time(17, 0, 0, 0), days))        .rule(Break::new(time(12, 0, 0, 0), time(13, 0, 0, 0), days))        .rule(Holidays::new([date(2026, 12, 25), date(2026, 12, 28)]))        .build()?;    let opened: Zoned = "2026-12-24T16:30[Europe/London]".parse()?;    let due = schedule.add(&opened, SignedDuration::from_hours(8))?;    println!("{due}"); // due: Wed 30 Dec 2026, 09:30 in Europe/London    Ok(())}