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Joshua’s Calendar
A Disclosure Party
SETI-METI Concept
Atomic detonations are visible for
lightyears (Technical Paper | Animation)
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Welcome to Joshua’s Calendar
The Disclosure Party’s AI Concept for SETI.
Joshua’s Calendar is an analytical tool designed to estimate the earliest possible response signals from star systems within detection range of Earth’s initial nuclear tests—most notably the Trinity Test on July 16, 1945. The intense flash of atomic detonations could, in theory, serve as a Message to Extraterrestrial Intelligence (METI), marking Earth’s emergence as a technological civilization visible to distant observers.
Because signals (or visible events) travel at the speed of light, their arrival time at a distant star depends on the star’s distance in light-years. If we consider Proxima Centauri, approximately 4.37 light-years away, the Trinity event would have reached it around 1949.4. If an advanced civilization there responded immediately, their return signal could arrive here by about 1953.8 (roughly 1954). Thus, for any star system beyond Proxima Centauri’s distance, the earliest possible two-way communication would shift to later dates.
How It Works: The Trinity Signal and the Stars
Because light travels at a constant speed, Earth’s first technological signals, like the 1945 Trinity nuclear test, take time to reach distant star systems. The arrival of these signals at a star depends on its distance in light-years. If civilizations near these stars detect such signals and respond immediately, their reply would return to Earth after twice the travel time. For instance:
- Proxima Centauri (4.37 light-years): Signal arrival in 1949.4, potential reply by 1954.
- Zeta Reticuli (39.3 light-years): Signal arrival in 1984.3, potential reply by 2024.
- TRAPPIST-1 (39.5 light-years): Signal arrival in 1984.5, potential reply by 2024.
- Gliese 179 (40 light-years): Signal arrival in 1985, potential reply by Late 2024 – 2025.
By mapping these timelines, Joshua’s Calendar offers a structured way to predict when humanity might expect responses—or even visitations—triggered by these distant signals. This tool also provides context for recent UFO “flaps,” potentially linking them to responses from civilizations investigating Earth’s technological emergence.
This document was published on October 31, 2024 (Trinity Year ~79.29)
Trinity Baseline Zero is Gregorian Date: Jul 16, 1945
Signal Arrival Year: 1949.2 (Year 4.2)
Signal Arrival Year: 1984.5 (Year 39.5)
Signal Arrival Year: 1984.3 (Year 39.3)
Signal Arrival Year: 1985 (Year 40)
Signal Arrival Year: 1984.3 (Year 39.3)
Signal Arrival Year: 1952.2 (Year 7.2)
Signal Arrival Year: 1953.7 (Year 8.7)
Signal Arrival Year: 1956.4 (Year 11.4)
Signal Arrival Year: 1959.1 (Year 14.1)
Signal Arrival Year: 1959.1 (Year 14.1)
Signal Arrival Year: 1965.4 (Year 20.4)
Signal Arrival Year: 1967.7 (Year 22.7)
Signal Arrival Year: 1951 (Year 6)
Signal Arrival Year: 1953.3 (Year 8.3)
Signal Arrival Year: 1957.4 (Year 12.4)
Signal Arrival Year: 2189 (Year 244)
Signal Arrival Year: 2805 (Year 860)
Signal Arrival Year: 2595 (Year 650)
Signal Arrival Year: 3145 (Year 1200)
Signal Arrival Year: 3945 (Year 2000)
Signal Arrival Year: 3205 (Year 1260)
Signal Arrival Year: 3045 (Year 1100)
Signal Arrival Year: 1971 (Year 26)
Signal Arrival Year: 1991.6 (Year 46.6)
Signal Arrival Year: 1995.6 (Year 50.6)
Signal Arrival Year: 2087 (Year 142)
Signal Arrival Year: 2083 (Year 138)
Signal Arrival Year: 2125 (Year 180)
Signal Arrival Year: 2125 (Year 180)
Signal Arrival Year: 2065 (Year 120)
Signal Arrival Year: 1955.5 (Year 10.5)
Signal Arrival Year: 1955.9 (Year 10.9)
Signal Arrival Year: 1956.9 (Year 11.9)
Signal Arrival Year: 1957.1 (Year 12.1)
Signal Arrival Year: 1956.8 (Year 11.8)
Signal Arrival Year: 1957 (Year 12)
Signal Arrival Year: 1966.3 (Year 21.3)
Signal Arrival Year: 1959.1 (Year 14.1)
Signal Arrival Year: 1961.3 (Year 16.3)
Signal Arrival Year: 1987 (Year 42)
Signal Arrival Year: 1957.8 (Year 12.8)
Signal Arrival Year: 1953.3 (Year 8.3)
Signal Arrival Year: 3345 (Year 1400)
Signal Arrival Year: 3345 (Year 1400)
Signal Arrival Year: 3415 (Year 1470)
Signal Arrival Year: 3445 (Year 1500)
Signal Arrival Year: 1960.2 (Year 15.2)
Signal Arrival Year: 1981 (Year 36)
Signal Arrival Year: 1985.5 (Year 40.5)
Signal Arrival Year: 1986 (Year 41)
Signal Arrival Year: 1993 (Year 48)
Signal Arrival Year: 1985.9 (Year 40.9)
Signal Arrival Year: 1989 (Year 44)
Signal Arrival Year: 1971.5 (Year 26.5)
Signal Arrival Year: 2009.5 (Year 64.5)
Signal Arrival Year: 3355 (Year 1410)
Signal Arrival Year: 2104 (Year 159)
Signal Arrival Year: 1995.9 (Year 50.9)
Signal Arrival Year: 2008.4 (Year 63.4)
Signal Arrival Year: 2135 (Year 190)
Signal Arrival Year: 1996 (Year 51)
Signal Arrival Year: 1956.7 (Year 11.7)
Signal Arrival Year: 2004.5 (Year 59.5)
Signal Arrival Year: 2335 (Year 390)
Signal Arrival Year: 1958.3 (Year 13.3)
Signal Arrival Year: 1991.6 (Year 46.6)
Signal Arrival Year: 1995.6 (Year 50.6)
Signal Arrival Year: 2087 (Year 142)
Signal Arrival Year: 2083 (Year 138)
Signal Arrival Year: 2125 (Year 180)
Signal Arrival Year: 2125 (Year 180)
Signal Arrival Year: 2065 (Year 120)
Signal Arrival Year: 2295 (Year 350)
Signal Arrival Year: 2095 (Year 150)
Signal Arrival Year: 2425 (Year 480)
Signal Arrival Year: 2545 (Year 600)
Signal Arrival Year: 2645 (Year 700)
Signal Arrival Year: 2493 (Year 548)
Signal Arrival Year: 2185 (Year 240)
Signal Arrival Year: 2809 (Year 864)
Signal Arrival Year: 1965.3 (Year 20.3)
Signal Arrival Year: 1960.6 (Year 15.6)
Signal Arrival Year: 2051 (Year 106)
Signal Arrival Year: 1976 (Year 31)
Signal Arrival Year: 2023 (Year 78)
Signal Arrival Year: 1976.8 (Year 31.8)
Signal Arrival Year: 1972.9 (Year 27.9)
Signal Arrival Year: 1961.1 (Year 16.1)
Signal Arrival Year: 1953.6 (Year 8.6)
Signal Arrival Year: 1949.4 (Year 4.4)
Signal Arrival Year: 1949.4 (Year 4.4)
Signal Arrival Year: 1981.7 (Year 36.7)
Signal Arrival Year: 1970 (Year 25)
Signal Arrival Year: 1961.7 (Year 16.7)
Signal Arrival Year: 1970.1 (Year 25.1)
Signal Arrival Year: 4561 (Year 2616)
Signal Arrival Year: 2185 (Year 240)
Signal Arrival Year: 1987.9 (Year 42.9)
Signal Arrival Year: 2010 (Year 65)
Signal Arrival Year: 2195 (Year 250)
Signal Arrival Year: 2495 (Year 550)
Signal Arrival Year: 1978.7 (Year 33.7)
Signal Arrival Year: 1996 (Year 51)
Signal Arrival Year: 1956.5 (Year 11.5)
Signal Arrival Year: 2084 (Year 139)
Signal Arrival Year: 1962.6 (Year 17.6)
Signal Arrival Year: 1952.9 (Year 7.9)
Signal Arrival Year: 1987 (Year 42)
Signal Arrival Year: 1964.9 (Year 19.9)
Signal Arrival Year: 1981 (Year 36)
Signal Arrival Year: 2068 (Year 123)
Signal Arrival Year: 2024.7 (Year 79.7)
Signal Arrival Year: 2028 (Year 83)
Signal Arrival Year: 2026 (Year 81)
Signal Arrival Year: 2028 (Year 83)
Signal Arrival Year: 2026 (Year 81)
Signal Arrival Year: 2048.9 (Year 103.9)
Signal Arrival Year: 2378 (Year 433)
Signal Arrival Year: 2495 (Year 550)
Signal Arrival Year: 1999.5 (Year 54.5)
Signal Arrival Year: 2044 (Year 99)
Signal Arrival Year: 1990 (Year 45)
Signal Arrival Year: 1994 (Year 49)
Signal Arrival Year: 2635 (Year 690)
Signal Arrival Year: 2675 (Year 730)
Signal Arrival Year: 1964.4 (Year 19.4)
Signal Arrival Year: 1970 (Year 25)
Signal Arrival Year: 1980 (Year 35)
Signal Arrival Year: 2003 (Year 58)
Signal Arrival Year: 2002.3 (Year 57.3)
Signal Arrival Year: 2107 (Year 162)
Signal Arrival Year: 2075 (Year 130)
Signal Arrival Year: 2024 (Year 79)
Signal Arrival Year: 2042 (Year 97)
Signal Arrival Year: 2635 (Year 690)
Signal Arrival Year: 1954.7 (Year 9.7)
Signal Arrival Year: 1952.2 (Year 7.2)
Signal Arrival Year: 1953.7 (Year 8.7)
Signal Arrival Year: 1953.7 (Year 8.7)
Signal Arrival Year: 1951.6 (Year 6.6)
Signal Arrival Year: 1951.6 (Year 6.6)
Signal Arrival Year: 1956.8 (Year 11.8)
Signal Arrival Year: 1956.8 (Year 11.8)
Signal Arrival Year: 1956.8 (Year 11.8)
Signal Arrival Year: 1957.5 (Year 12.5)
Signal Arrival Year: 1959.1 (Year 14.1)
Signal Arrival Year: 1961.7 (Year 16.7)
Signal Arrival Year: 1963 (Year 18)
Signal Arrival Year: 1957.9 (Year 12.9)
Signal Arrival Year: 1957.9 (Year 12.9)
Signal Arrival Year: 1957.9 (Year 12.9)
Signal Arrival Year: 1956.4 (Year 11.4)
Signal Arrival Year: 1956.4 (Year 11.4)
Signal Arrival Year: 1956.5 (Year 11.5)
Signal Arrival Year: 1956.5 (Year 11.5)
Signal Arrival Year: 1960.2 (Year 15.2)
Signal Arrival Year: 1959.9 (Year 14.9)
Signal Arrival Year: 1974.8 (Year 29.8)
Signal Arrival Year: 1964.9 (Year 19.9)
Signal Arrival Year: 1965.3 (Year 20.3)
Signal Arrival Year: 1967.7 (Year 22.7)
Signal Arrival Year: 1965.4 (Year 20.4)
Signal Arrival Year: 1981 (Year 36)
Signal Arrival Year: 1961.1 (Year 16.1)
Signal Arrival Year: 1976.8 (Year 31.8)
Signal Arrival Year: 1972.4 (Year 27.4)
Signal Arrival Year: 1963.8 (Year 18.8)
Signal Arrival Year: 1961.6 (Year 16.6)
Signal Arrival Year: 1964.5 (Year 19.5)
Signal Arrival Year: 1964.5 (Year 19.5)
Signal Arrival Year: 1967.1 (Year 22.1)
Signal Arrival Year: 1969.3 (Year 24.3)
Signal Arrival Year: 1974.5 (Year 29.5)
Signal Arrival Year: 1973 (Year 28)
Signal Arrival Year: 1974.8 (Year 29.8)
Signal Arrival Year: 1972.4 (Year 27.4)
Signal Arrival Year: 1960.9 (Year 15.9)
Signal Arrival Year: 1980.7 (Year 35.7)
Signal Arrival Year: 1978.1 (Year 33.1)
Signal Arrival Year: 1975.2 (Year 30.2)
Signal Arrival Year: 1989.7 (Year 44.7)
Signal Arrival Year: 1974.3 (Year 29.3)
Signal Arrival Year: 2266 (Year 321)
Signal Arrival Year: 2335 (Year 390)
Signal Arrival Year: 2225 (Year 280)
Signal Arrival Year: 2033 (Year 88)
Signal Arrival Year: 2046 (Year 101)
Signal Arrival Year: 2005 (Year 60)
Signal Arrival Year: 2122 (Year 177)
Signal Arrival Year: 1992 (Year 47)
Signal Arrival Year: 2305 (Year 360)
Signal Arrival Year: 2084 (Year 139)
Signal Arrival Year: 2115 (Year 170)
Signal Arrival Year: 2088 (Year 143)
Signal Arrival Year: 2173 (Year 228)
Signal Arrival Year: 2020 (Year 75)
Signal Arrival Year: 2022 (Year 77)
Signal Arrival Year: 2130 (Year 185)
Signal Arrival Year: 2047 (Year 102)
Signal Arrival Year: 2099 (Year 154)
Signal Arrival Year: 2032 (Year 87)
Signal Arrival Year: 1993 (Year 48)
Signal Arrival Year: 2026 (Year 81)
Signal Arrival Year: 1987 (Year 42)
Signal Arrival Year: 2079 (Year 134)
Signal Arrival Year: 2362 (Year 417)
Signal Arrival Year: 2054 (Year 109)
Signal Arrival Year: 2004 (Year 59)
Signal Arrival Year: 2785 (Year 840)
Signal Arrival Year: 2175 (Year 230)
Signal Arrival Year: 2295 (Year 350)
Signal Arrival Year: 2084 (Year 139)
Signal Arrival Year: 2078 (Year 133)
Signal Arrival Year: 2141 (Year 196)
Signal Arrival Year: 2335 (Year 390)
Signal Arrival Year: 2012 (Year 67)
Signal Arrival Year: 2295 (Year 350)
Signal Arrival Year: 2142 (Year 197)
Signal Arrival Year: 2165 (Year 220)
Signal Arrival Year: 2148 (Year 203)
Signal Arrival Year: 2108 (Year 163)
Signal Arrival Year: 2068 (Year 123)
Signal Arrival Year: 1961.4 (Year 16.4)
Signal Arrival Year: 2064 (Year 119)
Signal Arrival Year: 2034 (Year 89)
Signal Arrival Year: 2030 (Year 85)
Signal Arrival Year: 1970.1 (Year 25.1)
Signal Arrival Year: 1995 (Year 50)
Signal Arrival Year: 1972 (Year 27)
Signal Arrival Year: 1991 (Year 46)
Signal Arrival Year: 1976 (Year 31)
Signal Arrival Year: 1971 (Year 26)
Signal Arrival Year: 2074 (Year 129)
Signal Arrival Year: 1991 (Year 46)
Signal Arrival Year: 1990 (Year 45)
Signal Arrival Year: 2002 (Year 57)
Signal Arrival Year: 2481 (Year 536)
Signal Arrival Year: 2645 (Year 700)
Signal Arrival Year: 2209 (Year 264)
Signal Arrival Year: 2545 (Year 600)
Signal Arrival Year: 3145 (Year 1200)
Signal Arrival Year: 2437 (Year 492)
Signal Arrival Year: 1990 (Year 45)
Signal Arrival Year: 1959 (Year 14)
Signal Arrival Year: 1985 (Year 40)
Signal Arrival Year: 1964 (Year 19)
Signal Arrival Year: 1964 (Year 19)
Signal Arrival Year: 2120 (Year 175)
Signal Arrival Year: 2082 (Year 137)
Signal Arrival Year: 2075 (Year 130)
Signal Arrival Year: 1987 (Year 42)
Signal Arrival Year: 2062 (Year 117)
Signal Arrival Year: 2062 (Year 117)
Signal Arrival Year: 1993 (Year 48)
Signal Arrival Year: 2075 (Year 130)
Signal Arrival Year: 2072 (Year 127)
Signal Arrival Year: 1962.4 (Year 17.4)
Signal Arrival Year: 1994 (Year 49)
Signal Arrival Year: 2042 (Year 97)
Signal Arrival Year: 2945 (Year 1000)
Signal Arrival Year: 2760 (Year 815)
Signal Arrival Year: 2795 (Year 850)
Signal Arrival Year: 2565 (Year 620)
Signal Arrival Year: 2265 (Year 320)
Signal Arrival Year: 2434 (Year 489)
Signal Arrival Year: 2009.5 (Year 64.5)
Signal Arrival Year: 2002 (Year 57)
Signal Arrival Year: 1955.9 (Year 10.9)
Signal Arrival Year: 1985.5 (Year 40.5)
Signal Arrival Year: 1984.5 (Year 39.5)
Signal Arrival Year: 1984.5 (Year 39.5)
Signal Arrival Year: 1984.5 (Year 39.5)
Signal Arrival Year: 1990 (Year 45)
Signal Arrival Year: 1967 (Year 22)
Signal Arrival Year: 1967 (Year 22)
Signal Arrival Year: 1967 (Year 22)
Signal Arrival Year: 2092 (Year 147)
Signal Arrival Year: 2009 (Year 64)
Signal Arrival Year: 2012 (Year 67)
Signal Arrival Year: 1987 (Year 42)
Signal Arrival Year: 2074 (Year 129)