Celebrations and Customs

Q:  What is the ruling on uttering "Happy holidays" to disbelievers (i.e. Christians)?

Q:

1. What date was Prophet Isa(Jesus) peace be upon him born?
2. What date was Prophet Isa(Jesus) peace be upon him born raised in the sky?
3. Was Isa (Jesus) peace be upon him born on 25th December?
4. What detailed advice should we give our children regarding Christmas?

Q: My family are not Christian, they belong to a kuffaar sect who act like Muslims (alevi), however this year they have decided to have a family Christmas celebration on 25/12. They will exchange presents in a kris kringle (secret santa gift exchange where everyone anonymously buys one person a gift) and will share a family meal with traditional Christmas foods.

1. Can I attend this gathering?
2. I'm pretty sure I can't partake in the gift exchange, is this correct?
3. Please advise on Surahs/duas for me to say to help my family become Muslim.

Q: I had a question about thanks giveing? Is it ok for a Muslim to celebrate it?

Q: Is it okay to eat cakes on ones birthday? We do not take pictures or play music on birthdays. We go out to eat and cut cakes when we come home. Is this okay?

Q: On the occasion of Diwali, can we wish hindus happy Diwali? Also, can we take part in the fireworks celebrations?

Q: I had a question about people I know are Muslims and they celebrate non Muslim holidays? How is that regarded in Shari'ah?

Q: Regarding birthdays in Islam. Many people say "special duaas for so and so person because it is his birthday today" without saying 'happy birthday' or celebrating in any way. Is this permissible?

Q: Being an Indian Muslim we have to cooprate with our kafir friends, neighbours with there celebrations. Is it permissible?

Q: Are we allowed to eat chocolate Easter eggs all through the year? There's no intention to celebrate Easter and its MJC approved.