[shagie]

> ... each quarter is ~13 weeks ...

When I worked at Network Appliance (Q1 earnings call is August 27th), they used a strict 4-4-5 calendar. https://en.wikipedia.org/wiki/4–4–5_calendar

This meant that it wasn't "about" 13 weeks for each quarter, the quarter was defined as 13 weeks (91 days).

[madcaptenor]

They would have had to add a leap week every five or six years to keep that in sync with the normal calendar - did they do that, or did they just let the calendar drift?

[shagie]

It's been... almost 20 years since I looked at that.

I believe that it had a slightly floating start date.

    NetApp fiscal quarters are:
    Quarter Three: October 28, 2024 through January 24, 2025
    Quarter Four: January 28, 2025 through April 25, 2025 
    Quarter One: April 28, 2025 through July 25, 2025
    Quarter Two: July 27, 2024 through October 23, 2025

And from Wayback (adjusted to fit same ordering)

    Quarter Three: October 29, 2018 through January 27, 2019
    Quarter Four: January 28, 2019 through April 26, 2019
    Quarter One: April 30, 2018 through July 27, 2018
    Quarter Two: July 30, 2018 through October 26, 2018

2018-19: https://web.archive.org/web/20180626150216/https://investors...

2019-20: https://web.archive.org/web/20200430103748/http://investors....

2021-22: https://web.archive.org/web/20210802092405/https://investors...

2022-23: https://web.archive.org/web/20221001020458/https://investors...

2023-24: https://web.archive.org/web/20230607023812/https://investors...

It appears that it floats a little bit.

I remember the 4-4-5 from back then (started in '98, was laid off in '09) because we had the old style BIG releases where it was a weekend of things changing (and that was ok). The last weekend of the first month was infrastructure major changes, the last weekend of the second month was software major changes, and the last two weeks of the third month were hard frozen for accounting to not have changes.

[madcaptenor]

It looks like they had a 14-week quarter from April 27, 2020 to July 31, 2020. Given that there's only one 14-week quarter in the data set (which is about what you'd expect) I can't figure out what the rule is, but oh well.

Apparently financial analysts are (or were) surprised when that extra week leads to corresponding changes for other metrics: https://www.sciencedirect.com/science/article/abs/pii/S01654...

[tantalor]

Leap week

[steadycourse]

All I see is quarter != quarter. How has it come to this!?