You probably know that Q is the abbreviation for quarter. But what’s the proper way to abbreviate “third quarter of 2009”?
I prefer 3Q09 to Q3 09. It seems cleaner to separate the 3 of third quarter from the 09 of 2009. I worry that readers will get confused if the numbers in Q3 09 run together, as in Q309.
Looking for evidence to back up my opinion, I did a Google search. I found about 121,000 instances of 3Q09 vs. 10.9 million for Q3 09.
Wow–that’s quite a disparity! Q3 09 is the format that @BillWinterberg sees in regulatory filings. Perhaps that explains it. I wonder if the SEC requires the Q3 09 format.
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