Methods and computer systems are used to create context-based event entries. In one aspect, the method includes, at a computer system with one or more processors and memory: (1) receiving a content-less request to create an event entry; (2) selecting an applicable rule from a set of rules stored at the computer system in accordance with one or more context items, the one or more context items comprising one or more context items for the user, the set of rules comprising a plurality of distinct rules; (3) creating an event entry in accordance with the selected applicable rule and at least one of the one or more context items for the user, the event entry including one or more fields having content determined in accordance with the at least one of the one or more context items for the user; and (4) providing the event entry for display.