– All restrictions begin from sunset on the eve of the Seventeenth of Tamuz.

– If necessary, a shailah should be asked regarding being lenient on the night of the Seventeenth of Tammuz.

– The following halachos apply only to the Three Weeks. The Nine Days are stricter.

– Restrictions on swimming are only for the Nine Days and not the Three Weeks.

– Anything that is allowed during the Nine Days is certainly allowed during the Three Weeks.

Haircuts

– Haircuts are prohibited, for both men and women. Children may take haircuts only if the long hair is bothering the child.

– A woman may take a haircut if it is necessary for shidduchim or tznius, etc.

– Adults should not give children haircuts.

⁃ Shaving and trimming beards are not allowed.

⁃ Electrolysis, waxing, etc. for women is allowed.

⁃ If one is going to take a loss then shaving/haircuts are allowed until the week of tisha bav.

⁃ Mustache that prevents you from eating can be cut even during the week of tisha bav.

⁃ Wigs can be cut if necessary.

⁃ Nails can be cut up until the week of tisha bav.

⁃ If tisha bav falls out on Shabbos then nails can be cut on Erev Shabbos.

Music

⁃ No music or dancing even at a seudas mitzva. Singing is allowed.

⁃ Music tapes are not allowed.

⁃ Music lessons are allowed.

⁃ If necessary, slow inspirational or classical music is allowed.

⁃ Music while exercising, or to keep one awake while driving, is permitted.

– Teaching children music is permitted.

– A cappella is permitted but not preferred.

– All music is better than any form of radio.

– Children below the age of chinuch (around age seven) may listen to music and adults may hear it (e.g., playgroups, while driving, etc.).

Shechayanu (clothing)

⁃ No shechayanu should be made at all.

⁃ No eating or buying new fruits because of the shechayanu.

⁃ Shechayanu on Shabbos is allowed.

⁃ Nowadays that most don’t make shechayanu on new clothes, a Sheila should be asked if you’re allowed to buy/wear new expensive clothing.

⁃ Clothing that’s not expensive can be bought and worn.

⁃ Expensive goes according to each persons means.

⁃ Clothing can be bought in order to be worn after the three weeks.

⁃ Large purchases are allowed but if they make you happy then you shouldn’t buy them.

Construction

⁃ Construction shouldn’t be done during the nine days and it’s better not to be done at all during the three weeks. If necessary a Sheila should be asked.

⁃ If it was started before the three weeks then it can be finished.

⁃ No moving into a new house, unless you have no place else to live.

⁃ Going to contract on a house is allowed.

Danger

– Swimming is allowed up until the Nine Days.

– Some say to be extra careful not to swim in dangerous areas. The custom has become not to do anything that’s overly dangerous.

– All forms of traveling are allowed, even during the Nine Days.

– Medical procedures, even optional ones, are allowed.

– Activites considered ‘out-of-the-ordinary’ should be avoided due to reasons of danger.