I have done some research online as to the date for imbolc this year but does it start and end at specific times? I believe it is on feb. 4th but I am not sure how long it lasts
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Candlemas/Imbolc/Feast of FireExternal ↗
Depending on where you live the time could be a bit different. On a check I just did it seems sun will be on 15 degrees of aquarius on the 3rd end afternoon, through the 4rth of feb.
I was thinking about this as well since it is soon that it is up.