Afrikaans often uses the simple present tense where English might use either:
So Die studie begin vandag is completely natural.
If you really wanted to emphasize an ongoing action, Afrikaans can use other structures, but in a sentence like this, the simple form begin is the normal choice.
Yes. Afrikaans allows some movement of time words like vandag.
For example:
Both are correct. The second version puts more focus on today.
One important thing: when something like Vandag comes first, the verb still stays in the second position:
That verb-second pattern is very common in Afrikaans.
A rough English-friendly guide is:
A few notes:
Yes. Afrikaans present tense often covers what English expresses as a scheduled or near-future event.
So Die studie begin vandag can naturally mean:
That is very normal usage in Afrikaans.