Time Zone Converter - Time Zone Converter is an online productivity tool to calculate exact time across time zones.
I Am Sober - I Am Sober is an app which comes with the different module, and it is one of the most celebrity application used in America.
Time Zone Pro - A beautiful world clock for friends, family, clients and more
Sobriety Tracker Clock - Sobriety Tracker Clock is a well-known clean and sober day counter app.
Miranda - Time (zone) travelling
NACC - NACC is a cross-platform application which gives you a timer like an interface that provides different modules for calculating the sobriety of the user.