Dev tools · alternatives · 2026
24 alternatives to Business Days & Hours Calculator API
Accurate across timezones, weekends, and Time weirdness.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Timezone converter and world clock by time.fyi is a simple, fast and easy to use app to convert timezones and check the current time in different cities around the world.
2024 · time.fyi · its alternatives →
- 2
- 3
Weekdays · holidays · deadlines , computed instantly
Aug 2026 · workingdayscalculator.net · its alternatives →
- 4
Calculate exact time anywhere in the world across time zones
2020 · timezoneconverterapp.com · its alternatives →
- 5
Never have to debug time zone insanity again
2022 · savvycal.com · its alternatives →
- 6
TimeInZone▲153Check times across multiple timezones instantly
2023 · timeinzone.com · its alternatives →
- 7
Free business days calculator - 166 countries, no signup
Jul 2026 · calculatebusinessdays.com · its alternatives →
- 8
- 9NT
2016 · chronozone.xyz · its alternatives →
- 10
Simple tool to share your availability as plain text. Select time slots, convert timezones, copy and send. No calendar links needed.
2020 · whattime.today · its alternatives →
- 11
18 free deadline calculators, holidays in 25 countries
Jul 2026 · businessdaycalculator.org · its alternatives →
- 12
Highly performant, global, point on earth to timezone API
2022 · timezonesapi.com · its alternatives →
- 13CH
2020 · tryhexadecimal.com · its alternatives →
- 14
- 15
MeetWhen▲73Figure out meeting times across timezones without the hassle
2020 · meetwhen.herokuapp.com · its alternatives →
- 16
Datetime.app▲15Created Datetime.app, a sleek alternative to time.is. AI nailed the features with minimal requirements—truly impressive!
2025 · datetime.app · its alternatives →
- 17
- 18
Holiday-aware business day calculations for 15 counries
Mar 2026 · rapidapi.com · its alternatives →
- 19
Instantly calculate SLAs, ETAs, and T+2 settlement dates.
Mar 2026 · rapidapi.com · its alternatives →
- 20
No BS. Simple calculator for day-to-day use
2025 · chromewebstore.google.com · its alternatives →
- 21
Count workdays fast — exclude weekends & holidays
2025 · howmanybusinessdays.com · its alternatives →
- 22
Free business days calculator for 50+ countries
Jun 2026 · workdayscalculator.com · its alternatives →
- 23
Hours▲13Time Tracking, Scheduling & HR Management in One System
2025 · hours24.com · its alternatives →
- 24
Find timezone, day and hour from any website on the internet
2021 · chromewebstore.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →