Schema.datetimeISO

Description

Validates a ISO 8601 datetime string. By default using the YYYY-MM-DDThh:mm:ss format.

The format is a combination of <dateISO>T<timeISO>[<offset>]

Format variables

Variable	Value	Description
hh	00 - 24	Hours in 24-format
mm	00 - 59	Minutes
:	–	Allowed separator between two variable
Z	–	UTC timezone
T	–	Delimiter between date and time format

Usage

import * as Schema from "@bytelab.studio/schemify";

const schema = Schema.datetimeISO();

schema.validate("2025-09-14T12:34:56");

import * as Schema from "@bytelab.studio/schemify";

const schema = Schema.datetimeISO({
    format: "YYYY-MM-DDThh:mm+hh:mm"
});

schema.validate("2025-09-14T12:34:56+12:00");

Options

Options	Type	Default	Description
format	string	"hh:mm:ss"	A ISO 8601 compatible datetime format

Definition

export interface DatetimeISOOptions extends PatternOptions {
    format?: string;
}

Hierarchy

• Schema.pattern
• Schema.string
• Schema.raw