World AIDS Day is observed globally on which date every year to raise awareness about HIV and AIDS?

Introduction / Context:
World AIDS Day is one of the most widely recognised global health awareness days. It focuses on HIV prevention, treatment, and support for people living with HIV, and it also honours those who have died due to AIDS related illnesses. The question checks whether the learner knows the exact calendar date on which World AIDS Day is observed every year, which is a common fact tested in examinations dealing with health, current affairs, and international days.

Given Data / Assumptions:

• The day is called World AIDS Day.
• It is observed all over the world every year.
• The options list different dates scattered across October, November, and December.
• Only one date exactly matches the established global observance of World AIDS Day.

Concept / Approach:
The correct approach is to recall which date health agencies, international organisations, and news outlets focus on when they run campaigns about HIV and AIDS. World AIDS Day was first observed in the late 1980s and has, since then, always been held on the same date every year. This date is widely repeated in school textbooks, government awareness posters, and exam oriented general knowledge material, so attentive learners can easily retrieve it from memory.

Step-by-Step Solution:
Step 1: Remember that World AIDS Day is associated with the red ribbon symbol and global awareness events about HIV and AIDS.Step 2: Recall that these events take place at the beginning of December, not in October or mid December.Step 3: Specifically, world level organisations identify 1 December as World AIDS Day every year.Step 4: Check the options and locate 1 December among them as option C.Step 5: Choose 1 December as the correct answer and rule out the other dates as distractors.

Verification / Alternative check:
Every year on 1 December, there are news headlines that mention World AIDS Day, and various campaigns use hashtags and slogans that clearly mention the date. Health ministries, the World Health Organization, and UNAIDS also issue statements and reports on 1 December. No such consistent pattern is visible for 1 October, 12 December, 13 November, or 10 December in relation to World AIDS Day, which confirms that 1 December is the correct observance date.

Why Other Options Are Wrong:
1 October: This date is associated with other observances such as International Day of Older Persons or World Vegetarian Day, and it is not used for World AIDS Day.

12 December: This date is linked with other global events in some years but not with World AIDS Day.

13 November: This is a mid November date and again does not correspond to the established World AIDS Day schedule.

10 December: This date is significant as Human Rights Day, not as World AIDS Day. Confusing these two important December observances is a common exam mistake.

Common Pitfalls:
Because several major observances fall in late November and early December, learners sometimes mix them up. For example, Human Rights Day on 10 December and World AIDS Day on 1 December can easily be interchanged if one does not revise them carefully. To avoid this error, it is useful to remember that the month begins with a health focused day, World AIDS Day, on 1 December, and ends with a rights focused day, Human Rights Day, on 10 December.

Final Answer:
1 December