TitleGregorian Time IntervalIdentifierhttps://gss-cogs.github.io/family-ess/out/gcses-and-equivalent-in-english-and-maths-by-age-19/gcses-and-equivalent-in-english-and-maths-by-age-19/gregorian-time-interval.csv#code-list-catalog-entryContents IssuedWednesday 17 May 2023 at 12:40pmContents ModifiedWednesday 17 May 2023 at 12:40pm