MarkwhenEvents
An event is a date range followed by a colon followed by an event description:
12/2012: End of the world
1961: Year after 1960
Later, 1962 would happen
1 year: 1962, just as predicted
2020-02-22T12:13:14Z-now: How long the pandemic has been going on?
12/7/1941: Pearl Harbor attacked
Launched US into WWII
2022-02-22T16:27:08.369Z: More specific thing
2021-01-02T06:27:00Z-2022: ongoing project work until the end of 2022
1892/2021-08-12: Example of EDTF date range
Quick Reference
| Item | Syntax | Example |
|---|---|---|
| Event | [DateRange|EDTFDateRange]:[EventDescription] | 08/2015-05/2017: CS degree #Education |
| EDTFDateRange | [EDTFDate|RelativeDate|now][/EDTFDate|RelativeDate|now] | 2004-02-01/2005, 2005/2006-02, 2005/now, 2018/6 months |
| EDTFDate | YYYY(-MM(-DD)?)? | 2000-06-01, 1892, 1492-01 |
| DateRange | [Date][-Date] | 1998-06/01/2000 |
Date. now is a special keyword which means what you think it does | [HumanDate|ISO8601|RelativeDate|now] | 01/30/1888 |
| HumanDate. Defaults to American formatting (Month/Day/Year, can be overridden in header) | [m/d-]yyyy | 2002 or 01/2002 or 12/25/1901 |
| Casual date. | (day)?(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)(day)?(year)(time)? | 4 January 1996 or Oct 8 2012 or March 16 12:19pm or 9:15pm or 06:30 |
ISO8601 format. The T and Z are required. | YYYY-MM-DDTHH:MM:SS:MSZ | 1859-05-09T12:01:01Z |
| Relative Date (base this date off of another) | [after] [!eventId] Amount | after !Birthday 3 weeks 2 days, 2 days - 3 months 4 days 8 seconds, !ww1 21 years - 6 years |
| Amount (used in relative dates) | [digit] [milliseconds|seconds|minutes|hours|days|weeks|months|years] | after !Birthday 3 weeks, 2 days - 3 months, !ww1 21 years - 6 years |
| Event description | ([text]|[Tag]|[Location]|[Link])* | 07/2014: 4th of July in DC  #Travel @sue @greg [Washington, DC](location) |
| Tag | #[tag name] | 1999: The Matrix #Movies |
| Location | [location name](location|map) | 02/23/1836: Battle of the Alamo (The Alamo, TX)[map] |
| Link | [display text](link) | 05/25/2021: [cascade.page](https://cascade.page) featured on [Hacker News](https://news.ycombinator.com/item?id=27282842) |
| Photos. Markdown-style image format. |  | 07/2017: 4th of July in DC  |
| Reference. Reference and link to other markwhen pages. | @[other markwhen name] | 09/2019: Dinner with @karl or 2020-2022: COVID-19 Pandemic @jenny/covid @covidtimeline |
| Comment | //[text] | // this is a comment |