This tool parses the JSON file that DayOne export provides and writes one markdown file per day into a target directory
dayone split input_file.csv existing_output_dir
I am ignoring the time zone information as I am only interested in the day (and 99% of the entries are in the same time zone)
{
"metadata": {
"version": "1.0"
},
"entries": [
{
"starred": false,
"duration": 0,
"creationDate": "1999-06-21T10:00:00Z",
"isPinned": false,
"modifiedDate": "2017-05-01T18:11:15Z",
"timeZone": "Europe/Amsterdam",
"text": "... \n\n ...",
"isAllDay": false,
"uuid": "24A355B7C88541A7AA4D599622FD5225"
},
...
]
}