diff --git a/package-lock.json b/package-lock.json
index 468d75d..bf4663f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ics",
-  "version": "2.25.1",
+  "version": "2.26.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1761,7 +1761,8 @@
     "dayjs": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.9.1.tgz",
-      "integrity": "sha512-01NCTBg8cuMJG1OQc6PR7T66+AFYiPwgDvdJmvJBn29NGzIG+DIFxPLNjHzwz3cpFIvG+NcwIjP9hSaPVoOaDg=="
+      "integrity": "sha512-01NCTBg8cuMJG1OQc6PR7T66+AFYiPwgDvdJmvJBn29NGzIG+DIFxPLNjHzwz3cpFIvG+NcwIjP9hSaPVoOaDg==",
+      "dev": true
     },
     "debug": {
       "version": "4.2.0",
diff --git a/package.json b/package.json
index 9364593..e208857 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ics",
-  "version": "2.25.1",
+  "version": "2.26.0",
   "description": "iCal (ics) file generator",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,6 +35,7 @@
     "@babel/preset-env": "^7.6.2",
     "@babel/register": "^7.6.2",
     "chai": "^4.2.0",
+    "dayjs": "^1.8.33",
     "gulp": "^4.0.2",
     "gulp-babel": "^8.0.0",
     "mocha": "^6.2.1",
@@ -42,8 +43,7 @@
   },
   "dependencies": {
     "@hapi/joi": "^17.1.1",
-    "uuid": "^3.3.3",
-    "dayjs": "^1.8.33"
+    "uuid": "^3.3.3"
   },
   "files": [
     "dist/",
diff --git a/src/defaults.js b/src/defaults.js
index 5480dd4..5fd3cc0 100644
--- a/src/defaults.js
+++ b/src/defaults.js
@@ -1,26 +1,13 @@
 import uuidv1 from 'uuid/v1'
-import dayjs from 'dayjs'
-import utc from 'dayjs/plugin/utc';
-import { formatUTCDateAsUTC } from './utils'
-
-dayjs.extend(utc);
-
-const now = dayjs().utc()
+import { formatDate } from './utils'
 
 const defaults = {
   title: 'Untitled event',
   productId: 'adamgibbons/ics',
   method: 'PUBLISH',
   uid: uuidv1(),
-  timestamp: formatUTCDateAsUTC([
-    now.get('year'),
-    now.get('month') + 1,
-    now.get('date'),
-    now.get('hours'),
-    now.get('minutes'),
-    now.get('seconds')
-  ]),
-  start: formatUTCDateAsUTC()
+  timestamp: formatDate(null, 'utc'),
+  start: formatDate(null, 'utc')
 }
 
 export default defaults
diff --git a/src/utils/format-date.js b/src/utils/format-date.js
index 842cfed..34dcff7 100644
--- a/src/utils/format-date.js
+++ b/src/utils/format-date.js
@@ -1,36 +1,41 @@
-import dayjs from 'dayjs'
-import {
-  formatLocalDateAsLocal,
-  formatLocalDateAsUTC,
-  formatUTCDateAsLocal,
-  formatUTCDateAsUTC
-} from './index'
-
-function formatLocalDate(args = [], outputType) {
-    if (outputType == 'utc') {
-      return formatLocalDateAsUTC(args, outputType)
-    }
-    return formatLocalDateAsLocal(args, outputType)
-}
-
-function formatUTCDate(args = [], outputType) {
-    if (outputType == 'utc') {
-      return formatUTCDateAsUTC(args, outputType)
-    }
-    return formatUTCDateAsLocal(args, outputType)
-}
+const pad = n => n < 10 ? `0${n}` : `${n}`
 
 export default function formatDate(args = [], outputType = 'utc', inputType = 'local') {
-  const [year, month, date, hours, minutes, seconds] = args
+  if (Array.isArray(args) && args.length === 3) {
+    const [year, month, date] = args
+    return `${year}${pad(month)}${pad(date)}`
+  }
 
-  if (args.length === 3) {
-    return dayjs(new Date(year, month - 1, date)).format('YYYYMMDD')
+  let outDate = new Date(new Date().setUTCSeconds(0, 0))
+  if (Array.isArray(args) && args.length > 0 && args[0]) {
+    const [year, month, date, hours = 0, minutes = 0, seconds = 0] = args
+    if (inputType === 'local') {
+      outDate = new Date(year, month - 1, date, hours, minutes, seconds)
+    } else {
+      outDate = new Date(Date.UTC(year, month - 1, date, hours, minutes, seconds))
+    }
   }
 
-  if (inputType === 'local') {
-    return formatLocalDate([year, month, date, hours, minutes, seconds || 0], outputType);
+  if (outputType === 'local') {
+    return [
+      outDate.getFullYear(),
+      pad(outDate.getMonth() + 1),
+      pad(outDate.getDate()),
+      'T',
+      pad(outDate.getHours()),
+      pad(outDate.getMinutes()),
+      pad(outDate.getSeconds())
+    ].join('')
   }
 
-  // type === 'utc'
-  return formatUTCDate([year, month, date, hours, minutes, seconds || 0], outputType);
+  return [
+    outDate.getUTCFullYear(),
+    pad(outDate.getUTCMonth() + 1),
+    pad(outDate.getUTCDate()),
+    'T',
+    pad(outDate.getUTCHours()),
+    pad(outDate.getUTCMinutes()),
+    pad(outDate.getUTCSeconds()),
+    'Z'
+  ].join('')
 }
diff --git a/src/utils/format-local-date-as-local.js b/src/utils/format-local-date-as-local.js
deleted file mode 100644
index 545e1ed..0000000
--- a/src/utils/format-local-date-as-local.js
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// DATE-TIME
-// FORM #1: DATE WITH LOCAL TIME
-//
-// The date with local time form is simply a DATE-TIME value that
-// does not contain the UTC designator nor does it reference a time
-// zone. DATE-TIME values of this type are said to be "floating"
-// and are not bound to any time zone in particular.
-//
-// For example, the following represents
-// January 18, 1998, at 11 PM:
-//
-// 19980118T230000
-//
-
-import dayjs from 'dayjs'
-
-export default function formatLocalDateAsLocal(args = []) {
-  if (args.length > 0) {
-    const [year, month, date, hours = 0, minutes = 0, seconds = 0] = args
-    const formattedDate = dayjs(new Date(year, month - 1, date, hours, minutes, seconds)).format('YYYYMMDDTHHmmss')
-    return formattedDate
-  }
-
-  return dayjs().format('YYYYMMDDTHHmmss')
-}
diff --git a/src/utils/format-local-date-as-utc.js b/src/utils/format-local-date-as-utc.js
deleted file mode 100644
index 9b7c6a9..0000000
--- a/src/utils/format-local-date-as-utc.js
+++ /dev/null
@@ -1,37 +0,0 @@
-//
-// FORM #2: DATE WITH UTC TIME
-//
-// The date with UTC time, or absolute time, is identified by a LATIN
-// CAPITAL LETTER Z suffix character, the UTC designator, appended to
-// the time value.  For example, the following represents January 19,
-// 1998, at 0700 UTC:
-//
-// 19980119T070000Z
-//
-// The "TZID" property parameter MUST NOT be applied to DATE-TIME
-// properties whose time values are specified in UTC.
-//
-
-import dayjs from 'dayjs';
-import utc from 'dayjs/plugin/utc';
-
-dayjs.extend(utc);
-
-export default function formatLocalDateAsUTC(args = []) {
-  if (args.length > 0) {
-    const [year, month, date, hours = 0, minutes = 0, seconds = 0] = args
-
-    const formattedDate = dayjs(new Date(
-      year,
-      month - 1,
-      date,
-      hours,
-      minutes,
-      seconds
-    )).utc().format('YYYYMMDDTHHmmss') + 'Z'
-
-    return formattedDate
-  }
-
-  return dayjs.utc().format('YYYYMMDDTHHmmss') + 'Z'
-}
diff --git a/src/utils/format-utc-date-as-local.js b/src/utils/format-utc-date-as-local.js
deleted file mode 100644
index 6d7bb57..0000000
--- a/src/utils/format-utc-date-as-local.js
+++ /dev/null
@@ -1,29 +0,0 @@
-//
-// DATE-TIME
-// FORM #1: DATE WITH LOCAL TIME
-//
-// The date with local time form is simply a DATE-TIME value that
-// does not contain the UTC designator nor does it reference a time
-// zone. DATE-TIME values of this type are said to be "floating"
-// and are not bound to any time zone in particular.
-//
-// For example, the following represents
-// January 18, 1998, at 11 PM:
-//
-// 19980118T230000
-//
-
-import dayjs from 'dayjs';
-import utc from 'dayjs/plugin/utc';
-
-dayjs.extend(utc);
-
-export default function formatLocalDateAsLocal(args = []) {
-  if (args.length > 0) {
-    const [year, month, date, hours = 0, minutes = 0, seconds = 0] = args
-    const formattedDate = dayjs.utc(Date.UTC(year, month - 1, date, hours, minutes, seconds)).format('YYYYMMDDTHHmmss')
-    return formattedDate
-  }
-
-  return dayjs().utc().format('YYYYMMDDTHHmmss')
-}
diff --git a/src/utils/format-utc-date-as-utc.js b/src/utils/format-utc-date-as-utc.js
deleted file mode 100644
index bd5863a..0000000
--- a/src/utils/format-utc-date-as-utc.js
+++ /dev/null
@@ -1,31 +0,0 @@
-//
-// FORM #2: DATE WITH UTC TIME
-//
-// The date with UTC time, or absolute time, is identified by a LATIN
-// CAPITAL LETTER Z suffix character, the UTC designator, appended to
-// the time value.  For example, the following represents January 19,
-// 1998, at 0700 UTC:
-//
-// 19980119T070000Z
-//
-// The "TZID" property parameter MUST NOT be applied to DATE-TIME
-// properties whose time values are specified in UTC.
-//
-
-import dayjs from 'dayjs';
-import utc from 'dayjs/plugin/utc';
-
-dayjs.extend(utc);
-
-export default function formatUTCDateAsUTC(args = []) {
-  if (args.length > 0) {
-    const [year, month, date, hours = 0, minutes = 0, seconds = 0] = args
-
-    const formattedDate = dayjs.utc(Date.UTC(year, month - 1, date, hours, minutes, seconds))
-      .format('YYYYMMDDTHHmmss') + 'Z'
-
-    return formattedDate
-  }
-
-  return dayjs.utc().format('YYYYMMDDTHHmm00') + 'Z'
-}
diff --git a/src/utils/index.js b/src/utils/index.js
index 4b5663c..0ecdd04 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -1,8 +1,4 @@
 import formatDate from './format-date'
-import formatLocalDateAsUTC from './format-local-date-as-utc'
-import formatLocalDateAsLocal from './format-local-date-as-local'
-import formatUTCDateAsUTC from './format-utc-date-as-utc'
-import formatUTCDateAsLocal from './format-utc-date-as-local'
 import setGeolocation from './set-geolocation'
 import setContact from './set-contact'
 import setOrganizer from './set-organizer'
@@ -15,10 +11,6 @@ import setLocation from './set-location'
 
 export {
   formatDate,
-  formatLocalDateAsUTC,
-  formatLocalDateAsLocal,
-  formatUTCDateAsUTC,
-  formatUTCDateAsLocal,
   setGeolocation,
   setContact,
   setOrganizer,
diff --git a/test/pipeline/format.spec.js b/test/pipeline/format.spec.js
index baa4768..dd1e830 100644
--- a/test/pipeline/format.spec.js
+++ b/test/pipeline/format.spec.js
@@ -85,7 +85,7 @@ describe('pipeline.formatEvent', () => {
   it('writes a start date-time, taking the given date as UTC if requested and outputting is as Local (floating) if requested', () => {
     const event = buildEvent({ start: [2017, 5, 15, 10, 0], startInputType: 'utc', startOutputType: 'local' })
     const formattedEvent = formatEvent(event)
-    const now = dayjs(new Date(2017, 5 - 1, 15, 10, 0)).format('YYYYMMDDTHHmm00')
+    const now = dayjs(Date.UTC(2017, 5 - 1, 15, 10, 0)).format('YYYYMMDDTHHmm00')
     expect(formattedEvent).to.contain('DTSTART:'+now)
     expect(formattedEvent).to.not.contain('DTSTART:'+now+'Z')
   })
diff --git a/test/utils/format-date.spec.js b/test/utils/format-date.spec.js
index 604eab2..9f08149 100644
--- a/test/utils/format-date.spec.js
+++ b/test/utils/format-date.spec.js
@@ -1,17 +1,36 @@
 import dayjs from 'dayjs'
+import utc from 'dayjs/plugin/utc'
+
+dayjs.extend(utc)
 
 import { formatDate } from '../../src/utils'
 import { expect } from 'chai'
 
-describe('utils.formatDate', () => {  
+describe('utils.formatDate', () => {
   it('defaults to local time input and UTC time output when no type passed', () => {
     const now = dayjs(new Date(2017, 7-1, 16, 22, 30)).utc().format('YYYYMMDDTHHmm00')
     expect(formatDate([2017, 7, 16, 22, 30])).to.equal(now+'Z')
   })
   it('sets a local (i.e. floating) time when specified', () => {
-    expect(formatDate([1998, 1, 18, 23, 0], 'local')).to.equal('19980118T230000')
+    expect(formatDate([1998, 6, 18, 23, 0], 'local', 'local')).to.equal('19980618T230000')
   })
   it('sets a date value when passed only three args', () => {
     expect(formatDate([2018, 2, 11])).to.equal('20180211')
   })
+  it('defaults to NOW in UTC date-time when no args passed', () => {
+    const now = dayjs().utc().format('YYYYMMDDTHHmm00') + 'Z'
+    expect(formatDate(undefined, 'utc')).to.equal(now)
+  })
+  it('sets a UTC date-time when passed well-formed args', () => {
+    expect(formatDate([2017, 9, 25, 0, 30], 'utc', 'utc')).to.equal('20170925T003000Z')
+    expect(formatDate([2017, 1, 31], 'utc','utc')).to.equal('20170131')
+  })
+  it('sets a local DATE-TIME value to NOW when passed nothing', () => {
+    const now = dayjs().format('YYYYMMDDTHHmm00')
+    expect(formatDate(undefined, 'local', 'local')).to.equal(now)
+  })
+  it('sets a local DATE-TIME value when passed args', () => {
+    expect(formatDate([1998, 1, 18, 23, 9, 59], 'local', 'local'))
+      .to.equal('19980118T230959')
+  })
 })
diff --git a/test/utils/format-local-date-as-local.spec.js b/test/utils/format-local-date-as-local.spec.js
deleted file mode 100644
index 055fecf..0000000
--- a/test/utils/format-local-date-as-local.spec.js
+++ /dev/null
@@ -1,19 +0,0 @@
-// FORM #1: DATE WITH LOCAL TIME
-
-import dayjs from 'dayjs'
-import { formatLocalDateAsLocal } from '../../src/utils'
-import { expect } from 'chai'
-
-describe('utils.formatLocalDateAsLocal', () => {  
-  it('exists', () => {
-    expect(formatLocalDateAsLocal).to.exist
-  })
-  it('sets a DATE-TIME value to NOW when passed nothing', () => {
-    const now = dayjs().format('YYYYMMDDTHHmmss')
-    expect(formatLocalDateAsLocal()).to.equal(now)
-  })
-  it('sets a DATE-TIME value when passed args', () => {
-    expect(formatLocalDateAsLocal([1998, 1, 18, 23, 9, 59]))
-      .to.equal('19980118T230959')
-  })
-})
diff --git a/test/utils/format-utc-date-as-utc.spec.js b/test/utils/format-utc-date-as-utc.spec.js
deleted file mode 100644
index 1b3729a..0000000
--- a/test/utils/format-utc-date-as-utc.spec.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import dayjs from 'dayjs'
-import { formatUTCDateAsUTC } from '../../src/utils'
-import { expect } from 'chai'
-
-describe('utils.formatUTCDateAsUTC', () => {  
-  it('defaults to NOW in UTC date-time when no args passed', () => {
-    const now = dayjs().utc().format('YYYYMMDDTHHmm00') + 'Z'
-    expect(now).to.equal(formatUTCDateAsUTC())
-  })
-
-  it('sets a UTC date-time when passed well-formed args', () => {
-    expect(formatUTCDateAsUTC([2017, 9, 25, 0, 30])).to.equal('20170925T003000Z')
-    expect(formatUTCDateAsUTC([2017, 1, 31])).to.equal('20170131T000000Z')
-  })
-})