Writing · Free lesson
Data engineering English: explain a report’s data cutoff
An analyst opens an export created at 10:00 UTC on October 19 and assumes it contains records received at 09:30. The export’s stated cutoff is 08:00 UTC that day. You need to explain the difference.
Professor Scott MendozaThe short answer
Say “The report was generated at 10:00 UTC. It includes records received through 08:00 UTC on October 19.” Generated at describes the report; received through describes the included records.
Label each time with the action it describes.
Generated means created here. Received describes when the system got a record, not necessarily when the underlying event happened. Through marks the included endpoint in this American English example. A later creation time does not extend the stated data cutoff. Keep the date and time zone visible when readers work in different locations.
Compare the examples
The report was generated at 10:00 UTC on October 19.
It includes records received through 08:00 UTC that day.
The 10:00 timestamp is the report creation time, not the data cutoff.
These are fictional metadata details. The cutoff in this exercise includes records received at 08:00 but excludes later receipts. It does not establish that every real-world event has arrived in the system.
Build the meaning step by step
Name the creation time
The report was generated at 10:00 UTC on October 19.
Name the data boundary
It includes records received through 08:00 UTC that day.
Try it now
Read the two times
Read all answers and explanations
What does “generated at 10:00 UTC” describe?
When the report was created.Generated describes creation of the report.
The stated receipt cutoff is 08:00 UTC. Is a record received at 09:30 included under that cutoff?
No, 09:30 is after the stated cutoff.Creation time does not move the receipt boundary.
Does received at 08:00 necessarily mean the underlying event happened at 08:00?
No, receipt time and event time can differ.The verbs describe different moments.
Put it into practice
Clarify the export note
The report was created at 10:00 UTC on October 19. Its included records were received through 08:00 UTC that day. Preserve both times.
Updated at 10:00. All data is current.
See a model answer
The report was generated at 10:00 UTC on October 19. It includes records received through 08:00 UTC that day.
Clear labels prevent a fresh file from implying fresher data than it contains.
A little more clarity
Common questions
A few useful details before you move on.
Can I spell out the endpoint instead of through?
Yes. “Up to and including 08:00 UTC” makes the inclusive endpoint explicit. Use it when that detail matters and it matches the actual metadata.
It includes records received up to and including 08:00 UTC.
Is the refresh time necessarily the latest time covered by the data?
No. A dashboard may refresh later than the data cutoff. Name both times when the difference matters, and use the actual metadata rather than assuming they match.
The dashboard was refreshed at 09:00 UTC with records received through 08:00 UTC.
Take it into your day
A new report can contain data with an earlier cutoff.
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