GMTNOW is a progressive web app for timezone conversion. We have used NUXT and Vuetify for the project and backend runs on MongoDB.Since this is PWA you can access the same via https//gmtnow.app and also install the same onto to mobile, when can then onwards work even without internet connection.
Timezone Butler is a Slack bot who will take care of the timezone differences in your team.
Each relative time will be translated individually for each team member without bothering the others.
No more struggling with timezone differences, reduce the overhead of being distributed and embrace remote working.