Muharram

• • 1 Muharram — Islamic New Year
• • 10 Muharram — Day of Ashura (fast recommended)

Rabi ul-Awwal

• • 12 Rabi ul-Awwal — Mawlid season (reflection on Seerah)

Rajab

• • 27 Rajab — Night of Isra wal-Miraj (extra worship)

Sha'ban

• • 15 Sha'ban — Night of Bara'ah
• • End of Sha'ban — Ramadan moon sighting

Ramadan

• • Entire month — Obligatory fasting
• • Last 10 nights — Laylatul Qadr
• • 27 Ramadan — Most likely Laylatul Qadr

Shawwal

• • 1 Shawwal — Eid ul-Fitr
• • First 6 days of Shawwal — Optional fasts

Dhul Hijjah

• • 1-9 Dhul Hijjah — Best days of the year
• • 9 Dhul Hijjah — Day of Arafah (fast recommended)
• • 10 Dhul Hijjah — Eid ul-Adha