What time is it in Corporate
Three months ago someone posted a site that showed time in corporate [1] The most interesting comment to me was about the National Retail Federation 4-5-4 calendar. That calendar was hard to understand, so I made a visualization of it. I also implemented the other calendar types people were asking for. I did find the SEC dataset of 10032 publicly traded companies [2][3], but have not finished implementing a search for symbol yet. [1] https://news.ycombinator.com/item?id=43162340 [2] https://www.sec.gov/data-research/sec-markets-data/financial... (SUB…
In plain words
What Time is it in Corporate visualizes alternative calendar systems used by businesses, particularly the National Retail Federation's 4-5-4 calendar that divides the year into weeks rather than months. The tool helps finance professionals, retailers, and business analysts understand how time is tracked in corporate environments by showing multiple calendar formats side-by-side. It includes data from over 10,000 publicly traded companies, though company search functionality is still in development.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Three months ago someone posted a site that showed time in corporate [1] The most interesting comment to me was about the National Retail Federation 4-5-4 calendar. That calendar was hard to understand, so I made a visualization of it. I also implemented the other calendar types people were asking for. I did find the SEC dataset of 10032 publicly traded companies [2][3], but have not finished implementing a search for symbol yet. [1] https://news.ycombinator.com/item?id=43162340 [2] https://www.sec.gov/data-research/sec-markets-data/financial... (SUB data set, field `fye`) [3] https://www.sec.gov/files/company_tickers.json
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