Gets the week number within a year of a timestamp (a value from 1 to 53). The week number is as defined by ISO 8601: Weeks start on a Monday and belong to the year which contains Thursday (or, equivalently, contains the majority of the week days).

ParameterTypeRequiredDefault ValueDescription
asstringoptional[a]_weekOfYear The name of the output field.
field[b]stringoptional[a]@timestamp The name of the input field.
timezonestringoptional[a]  The time offset to use, for example, -01:00. If not specified, the query's offset will be used.
timezoneFieldstringoptional[a]@timezone The name of the field containing the timezone to use, if not specified the query's timezone will be used. This is ignored if the timezone parameter is passed as well. If this is not defined the timezone offset of the query will be used.

[a] Optional parameters use their default value unless explicitly set.

[b] The parameter name field can be omitted.

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