The best alternatives to 24 Hours are Clocks, Cheatsheet, and yourtime.zone. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
yourtime.zone automatically translates the time of an event into the visitor's local time. Great for organizing global events, such as webinars or live-streams.
The tool lets you share your current time with friends and colleagues from other locations and compare their local time with yours. Comes in handy for scheduling business meetings and online parties.