OffTime vs ClockWork

When should an international meeting start? Will it be daytime or midnight when you land? World Clock helps you see local times, working hours and the best time to connect. Great for cross-border operations, international trade, remote work, study abroad, global families and business travel. [World Clock] Add the cities you care about to check live local time, time differences, working hours and contact windows. Daylight saving time is calculated automatically, and you can reorder cities by drag and drop. [Working Hours & Reminders] Set custom working hours for each city (9:00–18:00 by default), then quickly see overlapping hours between you and the other side. Add reminders for specific periods so you never miss the best window for international communication. [Time Zone Converter] Convert dates and times between any cities in seconds. Ideal for flights, meetings and business trips. Share conversion results with one tap. [Meeting Slot Recommendations] Select participating cities and get meeting times that fit everyone’s working hours. Fully overlapping slots appear first, while non-working and quiet hours are clearly marked. [Widgets] Put your world clock on the Home Screen, or on the iPhone Lock Screen, to check multiple city times without opening the app. [Offline & Private] Core features work completely offline, including in Airplane Mode, with no data upload and no third-party SDKs. Import and export city lists to migrate between devices.

Alarms that ring only on days you actually work. ClockWork follows the official public holidays and makeup workdays of the country you choose, so your alarm stays silent on days off — no more switching it off by hand. ■ SMART ALARMS · Workday alarm: follows holidays and makeup days automatically · Shift alarm: work X days, rest Y days cycles · Interval alarms: repeat reminders inside a time window (stand up, drink water, eye breaks) · Specific date / rotating weeks / yearly (birthdays) / monthly (rent, bills) · Custom shuffle ringtone pool: import songs you love and play one at random each ring · Ringtone trimming: set exact begin/end times, view an energy strip and use a suggested clip · Snooze length and skip-on-leave days ■ CALENDAR · Gregorian + lunar calendar + 24 solar terms; holidays and makeup days at a glance · This month's workdays / rest days, month and year progress · Check-in projects and records (Pro) ■ WORLD CLOCK · Live time differences and day/night for the cities you follow · Time conversion (free): pick any city as the reference and see the rest ■ COUNTDOWNS · Target date, repeat periods and periodic reminders · Assign to small / medium / large widget groups ■ WIDGETS · Monthly/weekly calendar, world clock, countdown and check-in widgets ■ VERSION BACKUP · Automatic daily snapshots, keep 7 / 15 days · Optional sync to your own iCloud — sign in with the same Apple ID on a new device to restore ■ ABOUT PRO The free version includes alarms, calendar and world clock basics, plus a 30-day Pro trial. Pro unlocks countdowns, check-in, interval alarms, leave-day schedules for the ringing calendar and unlimited random alarm sounds. · Lifetime purchase ¥20 (one-time) Privacy first: your data stays on your device by default; backups are optional and go to your own iCloud. No location or contacts collection, no ads, no third-party analytics SDKs.