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calendar day

calendar day

1 1.0
A period of 24 hours starting at midnight
  • noun
  • /ˈkælɪndər deɪ/
  • Formal
translation icon : día calendario
  • (c) No later than 14 calendar days from the date of this order, the Companies shall:
  • seven calendar days

Examples

  • The greatest number of days between the first and last session for any student was 12 calendar days (M = 6.38).

    Academic text (2010)
  • Uninterrupted patient-sharing (UPS) network: This network counted patients transferred directly from one hospital to another in the same calendar day without an intervening stay in a nonacute care setting or the community at large.

    Academic text (2011)
  • So every seventh calendar day, you must do no work.

    Academic text (1999)
  • The institution shall conduct the hearing within 30 consecutive calendar days of receiving your request for the hearing.

    Blog text (25)
  • The extended analysis consumed an average of 28 calendar days (range = 12-40).

    Academic text (2002)
  • Since records are defined for each individual calendar day independently, the expected number of records broken thus far this year at a station is C/n, where C is the number of days that have already passed in 2012.

    Blog text (1)
  • Just as we expect there to be some record-high temperatures set or tied for every calendar day of the year (see above), we also expect there to be record-cold temperatures set.

    Blog text (1)
  • Generally, employees can use accrued PSST starting on the 180th calendar day after their employment commenced, including days worked before the effective date of the Ordinance.

    Blog text (19)
  • "No in-class written quizzes or tests counting more than ten percent of the semester grade may be given the last five calendar days prior to the study period" (meaning November 30 is the last day to give quizzes or tests counting more than ten percent of the semester grade).

    Blog text (33)
  • In legal terms, a refund request must be submitted within 30 calendar days of the purchase date.

Synonyms

day
vscalendar day
1.0

A calendar day for a special event or public celebration

is a fixed twenty four hour period from midnight used for legal timing
civil day
vscalendar day
  • Formal
3.2

A day that runs from midnight to the next midnight

is used as a twenty four hour period starting at midnight for official purposes

Surface Forms

calendar day singular
calendar days plural

Morphology

calendar + day

The meaning 'a day as defined by the calendar' is directly composed from 'calendar' (relating to the calendar) + 'day' (a 24-hour period), so a learner who knows both words can infer the MWE's basic sense. The specific legal nuance that it begins at midnight is a conventional detail, but the core concept is transparent and cross-linguistically common.

Etymology

The phrase calendar day comes from the simple image of each whole day shown as a square on a paper calendar. Because a calendar counts whole days from midnight to midnight, 'calendar day' means 'a full 24-hour day', so people use it in rules and contracts when they need to count time exactly.