period of which vs period IN which

Both phrases are correct, but they are used in different contexts. 'Period in which' is the more common and natural construction to use when referring to a specific time frame. 'Period of which' could be used in a more formal or literary context, but it is less common in everyday language.

Last updated: March 26, 2024 • 1266 views

This phrase is correct but less common in everyday language.

"period of which "

This phrase can be used in a formal or literary context to refer to a specific time frame.

Show examples from the web [+]

Member States shall keep statistics about the number of alerts the retention period of which has been extended in accordance with paragraph 4.
Member States shall keep statistics about the number of alerts the conservation period of which has been extended in accordance with paragraph 2a.
In the period of which we speak... there reigned in the cities a stench barely conceivable to us modern men and women.
Member States should review these alerts within this three year period and keep statistics about the number of alerts the conservation period of which has been extended.
Member States should review alerts on persons within the review period and keep statistics about the number of alerts on persons the conservation period of which has been extended.
Member States should review these alerts within this three-year period and keep statistics about the number of alerts the retention period of which has been extended.
Member States should review these alerts within this three-year period and keep statistics about the number of alerts the retention period of which has been extended.
Member States should review alerts on persons within the defined period and keep statistics about the number of alerts on persons the retention period of which has been extended.
- 50 times the Subsistence Minimum for Personal Needs in case of stay for the purposes of business activity the total period of which is to exceed 90 days, or
Erasmus Mundus Masters Courses will be selected for a five-year period, subject to a light-weight annual renewal procedure based on progress reporting, the period of which could include a year's preparatory activities before the actual course begins to run.
Member States shall keep statistics about the number of alerts the retention period of which has been extended in accordance with paragraph 4.
Member States shall keep statistics about the number of alerts the retention period of which has been extended in accordance with paragraph 4.
Member States should review these alerts within this three-year period and keep statistics about the number of alerts the retention period of which has been extended.

Alternatives:

period in which
time during which
duration in which
interval in which
span in which

This phrase is the more common and natural construction to use when referring to a specific time frame.

"period IN which "

This phrase is widely used to indicate a particular time frame or duration.

Show examples from the web [+]

The period in which the data remains relevant.
It is a reminder of the period in which I beat the pavement.
Borrowing costs shall be recognised as an expense in the period in which they are incurred.
An entity shall apply that amendment prospectively from the beginning of the annual period in which IFRS 13 was initially applied.
In such circumstances, the deferred tax asset is recognised in the period in which the deductible temporary differences arise.
Unallocated overheads are recognised as an expense in the period in which they are incurred.
Only the period in which this should happen, needs some modification.
Changes in estimates are reflected in the period in which they become known.
Changes in estimates are reflected in the period in which they become known.
Reinvested earnings are to be recorded in the period in which they are earned.
Time is a sphere and I've been reincarnated during the same time period in which I exist.
Access shall be refused in any event during the period in which action is taken for the purposes of sighting and reporting or discreet surveillance.
There was a period in which people talked about an act of creation, because these institutions were so new.
One of these was paragraph 3, indicating the period in which referendums might take place.
In the brief time available, I would like to reflect on the period in which the financial perspective has been in operation.
Such a grant is recognised as income of the period in which it becomes receivable, with disclosure to ensure that its effect is clearly understood.
Other borrowing costs are recognised as an expense in the period in which they are incurred.
The Equity Gain Share calculation will be triggered in the same period in which any threshold is reached.
Such a grant is recognised as income of the period in which it becomes receivable, with disclosure to ensure that its effect is clearly understood.
An entity shall recognise other borrowing costs as an expense in the period in which it incurs them.

Alternatives:

time during which
duration in which
interval in which
span in which
phase in which

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period of which vs period IN which

"period of which "

"period IN which "

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