Too confusing, why do I have to make a calendar?

Raw JSON

{
  "kind": 1,
  "id": "62e5c6cfd2c7d0acda46c0bab90028c8bf1e8954acaa316d4ebbf70f9d19fe62",
  "pubkey": "de75eb1d7a6627807a8dff0fb337cfcf189e7e9af8ab6229f688f664710c3014",
  "created_at": 1776785782,
  "tags": [
    [
      "p",
      "592295cf2b09a7f9555f43adb734cbee8a84ee892ed3f9336e6a09b6413a0db9",
      "wss://nostr.stakey.net/",
      "il_lost_"
    ],
    [
      "p",
      "4d023ce9dfd75a7f3075b8e8e084008be17a1f750c63b5de721e6ef883adc765",
      "wss://nostr.noones.com/",
      "rev.hodl"
    ],
    [
      "e",
      "683e7477e68553420a37bdbd2f6993ebe3e11d86f7aef293e2864d15d26dfe6a",
      "wss://relay.nostr.band/",
      "root"
    ],
    [
      "e",
      "9f223abbcb62ed4d20caea69dc5962760d449349e1bf2c1cd7c3f7a96288727b",
      "wss://nostr.bitcoiner.social/",
      "reply",
      "592295cf2b09a7f9555f43adb734cbee8a84ee892ed3f9336e6a09b6413a0db9"
    ]
  ],
  "content": "Too confusing, why do I have to make a calendar?",
  "sig": "c37ee45f119aecdb2d324995ff9ab4764a8808624a364e49ac62648f0da0486d6c5f0519fe50bfb44d1ffe361aa5802e1feac710899f39b31be5a21fbfa00113"
}