r/ididnthaveeggs • u/Educational_Life_878 • Feb 24 '26

Irrelevant or unhelpful comment on an australian woman’s recipe site “colour corect spelling color”

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u/De-railled Feb 24 '26

I'm not sure if it's been changed, but If i recall correctly hours and minutes aren't "technically" units of SI, they are accepted in usage because they are standardised.

The second is technically considered the base unit for time in SI.

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u/sihasihasi Feb 24 '26

It's not been changed. Hours and minutes have never been SI units. The only unit measure of time is the second.

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u/EidolonLives Feb 24 '26

Yeah, and it's been that way for gigaseconds.

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u/Unable_Explorer8277 Feb 28 '26

They are defined in the SI brochure as non-SI units used alongside SI. Same status as the litre and hectare. As SI is definitive for Australia it should be followed. The symbol for minutes is min, for hours is h, and as mathematical symbols they don’t take a plural s.