“4.6.1. During the period up to the due date for the final payment fixed under Clause 4.22.1 … the monthly due dates for interim payments shall in each case be the date 12 days after the relevant Interim Valuation Date …” 4.6.3. Where Clause 4.6.2 does not apply, the Subcontractor may make a payment application in respect of an interim payment to the Contractor either: 4.6.3.1. so as to be received not later than 4 days prior to the Interim Valuation Date for the relevant payment …”
“The first Interim Valuation Date is25th June 2021 and thereafter the same date every fortnight [sic] for a period of two months following which the date shall be the same in each month or the nearest business day in that month.”
“Subject to Clause 4.7.4 the final date for payment of any payment shall be 21 days after the due date as fixed in accordance with Clause 4.6.1 …”
“The site will be open for the Sub-Contractor to carry out the Sub-Contract Works from 7.30 a.m. to 6.00 p.m. Monday to Friday except on any dates stated in item 2.2. On Saturdays the site will be open from 8.00 am to 1.00 pm”
‘There are many different ways of reckoning a day. As a period of time a day is the time occupied by the earth in one revolution on its axis, in which the same terrestrial meridian returns to the sun; a period of 24 hours reckoned from a definite or given point. A solar or astronomical day is reckoned from noon to noon, while the civil day in most civilised countries is reckoned from midnight to midnight. 20 A calendar day is reckoned from midnight to midnight.In its ordinary sense, the word “day” in a contract refers to a calendar day. Thus where a contract specifies a day for performance of an obligation, the obliged party has until the end of that day to perform it (midnight).’
“It was not as if the document was served late at night. It was served at 4.42 pm.”
‘18. What that means in practice is, for example that the adjudicator’s construction of a contract clause is beyond any rational justification, or that the adjudicator’s calculation of the relevant time periods is obviously wrong, or that the adjudicator’s categorisation of a document as, say, a payment notice when, on any view it was not capable of being described as such a document. In a disputed case, anything less would be contrary to the principles in Macob, Bouygues and Carillion.’
‘In Trow v. Ind Coope (West Midlands) Ltd. [1967] 2 Q.B. 899, referred to by Chadwick LJ in the passage above, writs were issued at 3.05pm on September 10, 1965. They were served on the defendants on September 10, 1966, at 11.59 a.m. and 12.49 respectively. The Rules stated that 'a writ is valid for 12 months beginning with the date of its issue'. The first question related to whether account could be taken of the time of day on which the writs were served. The Court of Appeal unanimously determined that this was not the case. As Lord Denning MR put it, 'When we speak of the date on which anything is done, we mean the date by the calendar, such as: "The date today is May 2, 1967." We do not divide the date up into hours and minutes. We take no account of fractions of a date.' Thus, the relevant date was simply September 10, 1966. In the present case, therefore, the time that the Decision Notice was received is not relevant. The relevant date is simply13 December 2022 . The key question is whether that date (as a whole) should be included, or excluded from the calculation of time.’