parseDayOfWeekFromDateTime

Signature

parseDayOfWeekFromDateTime(value: string): number

import { parseDayOfWeekFromDateTime } from "@northguild/gmt/plain/parse";

Return the day of week (1-7) for a given ISO 8601 datetime string.

• Monday=1 through Sunday=7.
• Returns null for invalid input.

Parameters

Parameter	Type	Description
value	string	ISO datetime string

Returns

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

Examples

parseDayOfWeekFromDateTime("2024-01-01T12:00:00") // 1 (Monday)
parseDayOfWeekFromDateTime("2024-01-07T00:00:00") // 7 (Sunday)
parseDayOfWeekFromDateTime("invalid") // null

Source

plain/parse/parseDayOfWeekFromDateTime.ts