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Date-Time description

1957-09-21

Temporal reference system used

Gregorian Calendar

Day (unit of temporal duration)

(inverse of) at some time within
Time-Span, Time-Span
1957-09-21
Time-Span of Performance, Teatro Municipal de São Paulo, Concerto de música, Collegium Musicum Helveticum

is time-span of

Teatro Municipal de São Paulo, Concerto de música, Collegium Musicum Helveticum

Day
---21
temporal unit type

Day (unit of temporal duration)

Month
--09
Year
1957
1957-09-21
-1957
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