[sjc33]

My theory is that this was a leap year bug.

[Moeancurly]

You could very well be right, according to this[0] post on Twitter:

> Hey @RobinhoodApp did someone forget to add isleap() to your python module? Imagine losing thousands of dollars because someone didn’t code for the leap year. It’s looking for 3/03 data and throwing errors out the ass. https://pbs.twimg.com/media/ESIuB4nXYAAYImF?format=jpg

[0]: https://twitter.com/jtech63/status/1234600045787394048

[ceedan]

Or because Sunday starts daylight savings time.

[notyourday]

That's next Sunday

[sjc33]

Leap year is a more likely snag here.