The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "JIegnKLVXTkkTzfO",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Daylight Saving Time Notification",
"tags": [],
"nodes": [
{
"id": "87b11535-a9ae-49d4-a33f-b895274643e5",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
0,
0
],
"parameters": {},
"typeVersion": 1
},
{
"id": "d1cd9157-9948-43fd-a725-2a82a21a82c6",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
340,
-300
],
"parameters": {
"width": 394,
"height": 264,
"content": "## How it works\n- check list of timezones\n- check if any timezone switches from/to Daylight Saving Time\n- notify on Slack\n\n## Remember to set up\n- Add timezones to \"Timezones List\"\n- Slack notification channel\n"
},
"typeVersion": 1
},
{
"id": "0f4369fc-80b6-4fd6-8533-4aacbf4c9c65",
"name": "Timezones List",
"type": "n8n-nodes-base.code",
"position": [
220,
0
],
"parameters": {
"jsCode": "return [\n\t{\n timezone : \"America/New_York\"\n\t},\n\t{\n timezone : \"Europe/Warsaw\"\n\t},\n];"
},
"typeVersion": 2
},
{
"id": "3c1e6cd7-3812-4670-a53f-7270e29574f9",
"name": "Calculate Zone Date and Time",
"type": "n8n-nodes-base.set",
"position": [
440,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "4e9f973f-a11f-474b-89ce-dac4a77a7c68",
"name": "datetime_zone",
"type": "string",
"value": "={{ $now.setZone( $json.timezone ) }}"
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "7f49ac42-afcb-4552-84da-180bc65b84b0",
"name": "Check If Daylight Saving Time",
"type": "n8n-nodes-base.set",
"position": [
40,
280
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "4e9f973f-a11f-474b-89ce-dac4a77a7c68",
"name": "datetime_zone_dst",
"type": "string",
"value": "={{ $json.datetime_zone.toDateTime().setZone($json.timezone).isInDST }}"
},
{
"id": "ff13ee6d-c146-4dcb-98c4-6cb9b2474b1d",
"name": "datetime_zone_tomorrow_dst",
"type": "string",
"value": "={{ $json.datetime_zone_tomorrow.toDateTime().setZone($json.timezone).isInDST }}"
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "f3596b52-03af-4a07-be04-a7300fc7b239",
"name": "Check If Change Tomorrow",
"type": "n8n-nodes-base.if",
"position": [
240,
280
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "1f49e05d-d36e-4652-8ad3-b2266d750d94",
"operator": {
"type": "boolean",
"operation": "notEquals"
},
"leftValue": "={{ $json.datetime_zone_dst }}",
"rightValue": "={{ $json.datetime_zone_tomorrow_dst }}"
}
]
},
"looseTypeValidation": true
},
"typeVersion": 2.2
},
{
"id": "612e2e06-0283-4acd-8d85-cba16acb7126",
"name": "Send Notification On Upcoming Change",
"type": "n8n-nodes-base.slack",
"position": [
660,
240
],
"parameters": {
"text": "=Tomorrow is Daylight Saving Time change in zone {{ $json.timezone }} - remember to adjust meeting times!",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "list",
"value": ""
},
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 2.3
},
{
"id": "d5e47ff8-d530-47ee-a98d-3a50a7054cb0",
"name": "Calculate Tomorrow's Date",
"type": "n8n-nodes-base.dateTime",
"position": [
660,
0
],
"parameters": {
"options": {
"includeInputFields": true
},
"duration": 1,
"magnitude": "={{ $json.datetime_zone }}",
"operation": "addToDate",
"outputFieldName": "datetime_zone_tomorrow"
},
"typeVersion": 2
},
{
"id": "5ae0aa75-515d-4025-901e-82693f697436",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
0,
-160
],
"parameters": {
"rule": {
"interval": [
{}
]
}
},
"typeVersion": 1.2
},
{
"id": "e233c67c-a79b-4c96-a172-0465021d3911",
"name": "Send Email On Upcoming Change",
"type": "n8n-nodes-base.emailSend",
"position": [
660,
420
],
"parameters": {
"text": "=Tomorrow is Daylight Saving Time change in zone {{ $json.timezone }} - remember to adjust meeting times!",
"options": {},
"subject": "DST change tomorrow in {{ $json.timezone }}",
"emailFormat": "text"
},
"credentials": {
"smtp": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "7605726a-1a09-4564-b60f-aee3ac0b8c70",
"connections": {
"Timezones List": {
"main": [
[
{
"node": "Calculate Zone Date and Time",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Timezones List",
"type": "main",
"index": 0
}
]
]
},
"Check If Change Tomorrow": {
"main": [
[
{
"node": "Send Notification On Upcoming Change",
"type": "main",
"index": 0
},
{
"node": "Send Email On Upcoming Change",
"type": "main",
"index": 0
}
],
[]
]
},
"Calculate Tomorrow's Date": {
"main": [
[
{
"node": "Check If Daylight Saving Time",
"type": "main",
"index": 0
}
]
]
},
"Calculate Zone Date and Time": {
"main": [
[
{
"node": "Calculate Tomorrow's Date",
"type": "main",
"index": 0
}
]
]
},
"Check If Daylight Saving Time": {
"main": [
[
{
"node": "Check If Change Tomorrow",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Timezones List",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
slackOAuth2Apismtp
About this workflow
Daylight Saving Time Notification. Uses manualTrigger, stickyNote, slack, dateTime. Event-driven trigger; 10 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →