True-Time-Format

Smart parsing date and time format for true time.

Support:

1. The default hundred years value
2. Daylight Saving Time
3. Nanoseconds
4. Leap second

Install

$ yarn add true-time-format

Usage

let time = require('true-time-format');

// for normal datetime string
time.parse('Monday, 02-Jan-06 15:04:05');
time.parse('2006-01-02');
time.parse('02-Jan-2006T15:04:05.999 UTC-0700');

// DST means Daylight Saving Time
// LSC means expecting to consider leap second effects in time calculations
time.parse('02 Jan DST15:04:05.999LSC 2006');

// customize
let parser = new time.Parser('20DYM+0800');

parser.parse('281802');

parser.parse('28 2018 Feb UTC+08:00');
parser.parse('28 2018 Feb GMT+0800');
parser.parse('28-18-02Z+0800');

Layout

The layout argument for un-normal datetime string only.

The layout:

20-0700

Means:

1. If you match a two-digit year, it represents 20xx years
2. If the data does not contain UTC offset, use UTC-0700

The default hundred years value

The layout optional number prefix represents the default hundred years value, such as 19 which means 19xx if it matches a two-digit year.

Y

Represents the year.

M

Represents the month, digits or month word.

D

Represents the day.

h

Represents the hour.

m

Represents the minute.

s

Represents the second and dot nanosecond.

UTC offsets

The layout optional suffix +hhmm or -hhmm means the default UTC offset, default is +0000.

License

BSD 2-Clause License

Copyright (c) 2018, YU HengChun [email protected] All rights reserved.