Starts at the same time as …

Intended Use:

Use this qualifier when the only information known is that Events A and B start at the same time. If it is also known that Events A and B occur over precisely the same time period, use the more specific qualifier "Occurs concurrently with…"  If it is also known that Event A has a longer duration than Event B, i.e., Event A subsumes Event B, use the qualifier "Occurs during…" / "Occurs as part of …"

What we know:

What we don't necessarily know (i.e., subsumed, overlapping, or related qualifiers):

  1. Whether Event B and Event A have precisely the same duration

  2. Related Qualifier: "Occurs concurrently with…"
  3. Whether Event B occurs during Event A, i.e., Event A could occur during Event B.

  4. Overlapping Qualifier: "Occurs during…" / "Occurs as part of …"

References:

61-9 [5], 64-10 [6]

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