TMML

TMML is a markup language designed to store time schedules and management. It stores the time management data created. with start time and finishing time. The full form of tmml is Time Management Markup Language and it is not case sensitive.

Even Some Alarm softwares are able to access this files and give alarms accordingly in ios and Android and Now also Windows

An XML file is an extensible markup language file, and it is used to structure data for storage and transport. In an XML file, there are both tags and text. The tags provide the structure to the data. with custom creation

An TMML file is an Time Management Markup file and is used to manage time and write schedules and it has specific tags with text