The iCalendar Validator takes iCalendar data from a URL, file or text snippet and compares it against the RFC 5545 specification. You can find more information about the iCalendar Validator and version history by clicking here.

We welcome your feedback! Please send us a note through the "Contact Us" link above for questions or to report any problems.

Note: The validator is limited to iCalendar data 512KB or less in size. 

 

iCalendar Validator

Enter either an iCalendar URL, file, or paste text from an iCalendar file for validation.


Maximum upload size: 512.00 kB

Was our validator tool helpful? If so, consider thanking the developer with a virtual cup of coffee. Donate $4.50 (USA) to say thanks!

coffee cup
Results
  • File Size: 83 lines, 2644 bytes
  • Number of events found: 8
Success! No errors found.

Permalink: https://icalendar.org/validator.html?url=https://cdemi.github.io/The-IT-Professional-Calendar/The-IT-Professional-Calendar.ics

Permalinks are available when validating by URL. You can use a permalink to send a link of the validation results page using e-mail or web posting.

JSON Permalink: https://icalendar.org/validator.html?url=https://cdemi.github.io/The-IT-Professional-Calendar/The-IT-Professional-Calendar.ics&json=1

The JSON permalink formats the validation results in JSON format, which can be used by other programs for further analysis.

  1. BEGIN:VCALENDAR
  2. PRODID:https://github.com/cdemi/The-IT-Professional-Calendar
  3. VERSION:2.0
  4. NAME:The IT Professional Calendar
  5. X-WR-CALNAME:The IT Professional Calendar
  6. DESCRIPTION:Open-source calendar with a collection IT Professional Dates
  7. https://github.com/cdemi/The-IT-Professional-Calendar
  8. X-WR-CALDESC:Open-source calendar with a collection IT Professional Dates
  9. https://github.com/cdemi/The-IT-Professional-Calendar
  10. BEGIN:VEVENT
  11. SUMMARY:System Administrator Appreciation Day
  12. DTSTART:20170728
  13. DTEND:20170729
  14. DTSTAMP:20170730T224700
  15. UID:4ec6f948-1e1f-438d-b9b1-8eaeb830a5b0
  16. RRULE:FREQ=YEARLY;BYDAY=FR;BYMONTH=7;BYSETPOS=-1
  17. DESCRIPTION:http://sysadminday.com/ \n
  18. https://en.wikipedia.org/wiki/System_Administrator_Appreciation_Day
  19. END:VEVENT
  20. BEGIN:VEVENT
  21. SUMMARY:Day of the Programmer
  22. DTSTART:20170913
  23. DTEND:20170914
  24. DTSTAMP:20170730T224700
  25. UID:2b8114c1-48d7-4812-80de-827176afd0a6
  26. DESCRIPTION:https://en.wikipedia.org/wiki/Day_of_the_Programmer
  27. END:VEVENT
  28. BEGIN:VEVENT
  29. SUMMARY:Day of the Programmer
  30. DTSTART:20180912
  31. DTEND:20180913
  32. DTSTAMP:20170730T224700
  33. UID:2b8114c1-48d7-4812-80de-827176afd0a7
  34. DESCRIPTION:https://en.wikipedia.org/wiki/Day_of_the_Programmer
  35. END:VEVENT
  36. BEGIN:VEVENT
  37. SUMMARY:Day of the Programmer
  38. DTSTART:20190913
  39. DTEND:20190914
  40. DTSTAMP:20170730T224700
  41. UID:2b8114c1-48d7-4812-80de-827176afd0a8
  42. DESCRIPTION:https://en.wikipedia.org/wiki/Day_of_the_Programmer
  43. END:VEVENT
  44. BEGIN:VEVENT
  45. SUMMARY:Day of the Programmer
  46. DTSTART:20200913
  47. DTEND:20200914
  48. DTSTAMP:20170730T224700
  49. UID:2b8114c1-48d7-4812-80de-827176afd0a9
  50. DESCRIPTION:https://en.wikipedia.org/wiki/Day_of_the_Programmer
  51. END:VEVENT
  52. BEGIN:VEVENT
  53. SUMMARY:World Backup Day
  54. DTSTART:20170331
  55. DTEND:20170401
  56. DTSTAMP:20170730T224700
  57. UID:0530b0eb-6e0f-4fd6-990f-fed9ae0441ca
  58. RRULE:FREQ=YEARLY;BYMONTH=3;BYMONTHDAY=31
  59. DESCRIPTION:Don't be an April Fool. Backup your files and check your
  60. restores on March 31st.\n
  61. http://www.worldbackupday.com
  62. END:VEVENT
  63. BEGIN:VEVENT
  64. SUMMARY:IT Professionals Day
  65. DTSTART:20170919
  66. DTEND:20170920
  67. DTSTAMP:20170730T224700
  68. UID:64af4482-753f-4da9-853f-3babdb0db555
  69. RRULE:FREQ=YEARLY;BYDAY=TU;BYSETPOS=3;BYMONTH=9
  70. DESCRIPTION:http://www.itproday.org/ \n
  71. https://en.wikipedia.org/wiki/IT_Professionals_Day
  72. END:VEVENT
  73. BEGIN:VEVENT
  74. SUMMARY:World Telecommunication and Information Society Day
  75. DTSTART:20170517
  76. DTEND:20170518
  77. DTSTAMP:20170730T224700
  78. UID:cfa80a69-c0fa-4dce-b24e-b9297239539e
  79. RRULE:FREQ=YEARLY;BYMONTH=5;BYMONTHDAY=17
  80. DESCRIPTION:http://www.itu.int/wtisd/index.html \n
  81. https://en.wikipedia.org/wiki/World_Information_Society_Day
  82. END:VEVENT
  83. END:VCALENDAR
iCalendar Validator version 1.19, written by Dan Cogliano, Z Content

If you find a problem with our validator, please contact us to tell us about it.  We strive to make this the best iCalendar validator on the internet and your feedback will help us achieve that goal.