A time note is a reminder or a notation made to keep track of time. There are a variety of synonyms for this term that can be used interchangeably. Some of the most common synonyms for time note include memo, reminder, notice, notation, alert, warning, cue, indicator, signal, and prompt. These words can be used in a variety of settings to help someone remember an upcoming deadline, meeting, or event. Whether you are looking for a word to use in a business meeting or simply want to keep track of your own schedule, these synonyms for time note can be used to effectively communicate important information.