<?php
  $json ='{"responseStatus":"OK","templateId":420049,"entries":
{"fields": {"include_total": true, "limit": 100, "records_format": "objects", "total_estimation_threshold": null, "records": [{"rowid":67649101,"index":"2022-06-20T19:35:00","phone":"0583200000","blocked":false,"name":"הרב טוב לב שליט\"א ","moreinfo":""},{"rowid":67649104,"index":"2022-06-22T19:35:00","phone":"0533100000","blocked":false,"name":"מנהל","moreinfo":""},{"rowid":67649845,"index":"2022-06-21T19:35:00","phone":"0548400000","blocked":false,"name":"","moreinfo":""}],"yemotAPIVersion":6}}}';

$json = json_decode($json,TRUE);
$first_date =  $json['entries']['fields']['records'][0]['index'];
$parsed = date_parse($first_date);

var_dump($parsed);

?>