网传“2026年2月是特殊月份，823年一遇”？专家辟谣

Core Viewpoint - The news discusses the viral claim that February 2026 is a rare month with four complete weeks, suggesting it occurs once every 823 years, which is debunked as a common occurrence in leap years [1][12]. Group 1: Calendar Phenomenon - February 2026 is said to have four complete weeks, with each day of the week appearing four times, leading to claims of its rarity [1][2]. - The concept of a month having four complete weeks is explained as a basic mathematical fact, as every February in a common year has 28 days, which divides evenly into four weeks [8][6]. Group 2: Misconceptions and Marketing - The claim of February 2026 being special is labeled as a digital rumor, with experts stating that such occurrences are typical in every common year [8][12]. - The notion of "823 years" is suggested to be a fabricated figure to create a sense of rarity and urgency, with similar rumors having circulated since around 2011 [12][13]. - The spread of this rumor is linked to viral marketing strategies, where individuals are encouraged to share posts for perceived good fortune, exploiting people's unfamiliarity with calendar systems [13][18].