Webvtt Subtitles positioning

[SubtitleNoob]

I am testing webvtt subtitles using VLC player but the subtitles position are not displaying as expected, can anyone advise why is this so?

Expected behaviour:
aligntart -> Text should be on the left
align:end -> Text should be on the right

Actual:
aligntart but text is on the right

[Attachment 54267 - Click to enlarge]

align:end but text is on the left

[Attachment 54268 - Click to enlarge]

Webvtt file:
WEBVTT

1
00:00:00.0000 --> 00:00:00.0000 line:476 position:13.12 align:middle
Test

2
00:00:16.000 --> 00:00:17.000 line:0% position:0% align:middle
line:0% position:0% align:middle

3
00:00:20.200 --> 00:00:24.000 line:0% position:0% aligntart
line:0% position:0% aligntart

4
00:00:24.000 --> 00:00:26.000 line:0% position:0% align:end
line:0% position:0% align:end

[johns0]

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