Created
June 25, 2020 12:49
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| // This comes from https://usefulangle.com/post/30/javascript-get-date-time-with-offset-hours-minutes | |
| function getIso8601z() { | |
| // timezone part | |
| const timezoneOffsetMin = new Date().getTimezoneOffset() | |
| const offsetHours = parseInt(Math.abs(timezoneOffsetMin / 60)) | |
| const offsetMinutes = Math.abs(timezoneOffsetMin % 60) | |
| let timezoneStandard = null | |
| if(offsetHours < 10) { | |
| offsetHours = `0${offsetHours}` | |
| } | |
| if(offsetMinutes < 10) { | |
| offsetMinutes = `0${offsetMinutes}` | |
| } | |
| // Add an opposite sign to the offset | |
| // If offset is 0, it means timezone is UTC | |
| if(timezoneOffsetMin < 0) { | |
| timezoneStandard = `+${offsetHours}:${offsetMinutes}` | |
| } else if(timezoneOffsetMin > 0) { | |
| timezoneStandard = `-${offsetHours}:${offsetMinutes}` | |
| } else if(timezoneOffsetMin == 0) { | |
| timezoneStandard = 'Z' | |
| } | |
| // date part | |
| const dt = new Date() | |
| let currentDate = dt.getDate() | |
| let currentMonth = dt.getMonth() + 1 | |
| let currentYear = dt.getFullYear() | |
| let currentHours = dt.getHours() | |
| let currentMinutes = dt.getMinutes() | |
| let currentSeconds = dt.getSeconds() | |
| let currentDatetime = null | |
| // Add 0 before date, month, hrs, mins or secs if they are less than 0 | |
| currentDate = currentDate < 10 ? `0${currentDate}` : currentDate; | |
| currentMonth = currentMonth < 10 ? `0${currentMonth}` : currentMonth; | |
| currentHours = currentHours < 10 ? `0${currentHours}` : currentHours; | |
| currentMinutes = currentMinutes < 10 ? `0${currentMinutes}` : currentMinutes; | |
| currentSeconds = currentSeconds < 10 ? `0${currentSeconds}` : currentSeconds; | |
| // Current datetime | |
| // String such as 2016-07-16T19:20:30 | |
| currentDatetime = `${currentYear}-${currentMonth}-${currentDate}T${currentHours}:${currentMinutes}:${currentSeconds}` | |
| return `${current_datetime}${timezone_standard}` | |
| } |
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