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parseDayOfWeekFromUtc

parseDayOfWeekFromUtc(value: string, options?: { timeZone?: string; }): number | null

Return the day of week (1-7) from a UTC datetime string.

  • Monday=1 through Sunday=7.
  • Returns null for invalid input.
ParameterTypeDescription
valuestringISO UTC datetime string (e.g., “2024-03-17T14:30:45Z”)

options

The time zone the value is read in

OptionTypeDefaultDescription
timeZone?string"UTC"The time zone the wall-clock fields are read in: an IANA name, a UTC offset (a time zone identifier such as +05:30, +0530 or -08, or a stored offset ±HH:MM[:SS], what getTimeZoneOffset returns), or "local" for the system time zone. An unknown zone returns null.

Day of week (1-7) or null on invalid input

import { parseDayOfWeekFromUtc } from "@northguild/gmt/utc/parse";
parseDayOfWeekFromUtc("2024-03-17T14:30:45Z") // 7
output 

utc/parse/parseDayOfWeekFromUtc.ts