Crypto analyst C𝘆𝗰𝗹𝗼𝗽 identifies a trend of lengthening bull markets and shortening bear markets in Bitcoin cycles.Historical data indicates every major Bitcoin all-time high (ATH) has happened in November or December.The 2021 cycle showed a 12-month bull phase followed by a 27-month bear market, the shortest bear market yet.Based on the consistent pattern, the next major Bitcoin ATH could potentially occur by November or December 2025.