I posted about this elsewhere in the comments, but my experience with day.js is that if you're concerned with these kinds of corner cases, maybe day.js isn't th

I posted about this elsewhere in the comments, but my experience with day.js is that if you're concerned with these kinds of corner cases, maybe day.js isn't the library for you.[1][2] [1]: https://github.com/iamkun/dayjs/issues/1816 https://github.com/iamkun/dayjs/issues/1816 [2]: https://github.com/iamkun/dayjs/issues/1817 https://github.com/iamkun/dayjs/issues/1817