Presets 
Overview 
This is a quick reference to cron syntax and also shows the options supported by node-cron.
┌───────────── minute (0–59)
│ ┌───────────── hour (0–23)
│ │ ┌───────────── day of the month (1–31)
│ │ │ ┌───────────── month (1–12)
│ │ │ │ ┌───────────── day of the week (0–6) (Sunday to Saturday;
│ │ │ │ │                                   7 is also Sunday on some systems)
│ │ │ │ │
│ │ │ │ │
* * * * *List 
Set of ready-made presets for using cron
| Key | Code | 
|---|---|
| everySecond | * * * * * *  | 
| everyMinute | * * * * *  | 
| everyTwoMinutes | */2 * * * *  | 
| everyThreeMinutes | */3 * * * *  | 
| everyFourMinutes | */4 * * * *  | 
| everyFiveMinutes | */5 * * * *  | 
| everyTenMinutes | */10 * * * * | 
| everyFifteenMinutes | */15 * * * * | 
| everyThirtyMinutes | */30 * * * * | 
| hourly | 0 * * * *  | 
| everyOddHour | 0 */2 * * *  | 
| everyTwoHours | 0 */2 * * *  | 
| everyThreeHours | 0 */3 * * *  | 
| everyFourHours | 0 */4 * * *  | 
| everySixHours | 0 */6 * * *  | 
| daily | 0 0 * * *  | 
| weekly | 0 0 * * 0  | 
| quarterly | 0 0 1 */3 *  | 
| yearly | 0 0 1 1 *  |