iris: BUG: iris pp treats standard calendar as a proleptic gregorian and ignores real proleptic gregorian calendars
Standard calendar cannot be treated as a Proleptic Gregorian for dates 1582-01-01
More context here: ancil/ticket #1159
UM F03 more recently clarified that the calendar it expects isn’t Standard but a Proleptic Gregorian. Not only is iris pp save ignoring time coordinates with proleptic_gregorian calendars entirely, it also allows saving Standard dates prior to 1582-01-01 (as though they are proleptic gregorian dates when they are not).
About this issue
- Original URL
- State: open
- Created 5 years ago
- Reactions: 1
- Comments: 23 (23 by maintainers)
No one ever looks at warnings.
Noting that the calendar previously called “gregorian” in the cf-conventions is now called “standard”, I’ve updated the comments through this issue to hopefully reduce confusion.
this is still important but I don’t have any time to fix it myself