The norm is just 'Have a good day', but there's nothing wrong with being different. == == == ==
The sentence structure is a bit awkward. It would be better to say, "Have a wonderful day ahead" or "I hope you have a wonderful day ahead."
Tamaro divash shubh rahe it mean you have great day ahead
Yes, that is a common and polite way to wish someone well for the upcoming week. It implies that you hope they have a positive and productive week ahead.
It is not correct to say 'great times are now'; instead, say 'great times have come'.
No, it is more correct to say, "What day is it today?"
No, it is not correct to say "one an." The correct phrase is "one and a half day" to refer to one full day and half of another day.
It is correct to say "such an exhausting day", and not 'Such an exhaustive day'.
This is a great fundraiser
You would say "Have a euphoric day".
No.
To say "Have a great day" in Hawaiian, you would say "Maikaʻi ka lā."
To say "have a great day" in Polish, you can say "Miłego dnia" which translates to "Have a nice day."