Notes on the Ancient Egyptian Calendar
TIMELINE
BC 4713-01-01 - (noon) Start of Julian (Scaliger) day count (JD),
coincidence of 28 year solar, 19 year lunar,
and 15 year indiction cycle.
4000 - Ancient Egyptian Calendar (Lunar)
3000 - Menes unites Upper and Lower Egypt
2600 - Mayan civilisation
2344 - Hebrew Deluge
2300 - Abraham leads Hebrews from Mesopatamia to Canaan
2000 - Stonehenge
1500 - Hebrew Border settlers become Egyptian labourers
1360 - Tutankhamen
1300 - Moses. Exodus. Ten Commandments.
1274 - Joshua invades Canaan.
1200 - Egyptian Sothic (Ptolemaic) Calendar (Solar)
1000 - Chinese Shang Dynasty
1000 - David conquers Palestine, Jerusalem as capital
753 - Start of Roman Calendar (Lunar)
332 - Alexander invades Egypt.
238 - Ptolemy III decrees every 4th year a leap year
200 - Mayan Calendar
165 - Revolt of the Maccabees
62 - Pompey subdues Judea
46 - Julian Calendar (Solar - 365.25 days) Roman Year 709
44 - Julius Caesar assassinated (Roman Year 711)
30 - Death of Cleopatra. (Roman Year 723)
- End of Egyptian Dynastic period (4000BC-30BC)
0000-00-00 - Special value used by programmers
AD 1 - Start of Christian Era (Roman Year 753)
1325 - Aztec Calendar
1582 - Gregorian Calendar (Solar- 400th year not leap)
1582-10-15 - Lilian Day 1
1752 - British Government (including American colonies) adapt Gregorian calendar
adopts Gregorian Calendar
1900 - Start of IBM/360 64 bit clock
1901-01-01 - Start of Lotus/Spreadsheet world
1904 - Start of original Apple Mac clock
1918 - Soviet Union adopts Gregorian Calendar
1920 - Current Start of Apple Mac World
1949 - Communist China adopts Gregorian Calendar
1960 - IBM/360
1970 - IBM/370
1971 - IBM Clock rollover
1972-08-16 - 9999 days to 2000 (OS catalog corrupts)
1979-02-01 - Interface Age, Bob Bemer article
1980 - IBM 4300
1980-08-01 - MS DOS Default startup date (Zero date)
1986-06-30 - Deadline 2000 starts
1986-07-21 - Deadline 2000 ends
1986 - ANSI X3.30 defines YYYYMMDD standard
1987 - MVS SVC11 changes
VM IPL 01/01/00 to 2000
1988-07-30 - FIPS 4-1 YYYY standard in effect
1988 - ISO 8601 defines YYYY-MM-DD standard (but also allows 2 digit forms)
1991 - Chris Anderson writes about 4 digit years in MSDOS
1995 - Peter de Jager - Datamation
www.year2000.com on the air
US Congress Technical Committee
IBM announces Year 2000 ready ESA
1996-01-01 - UNISYS 8bit clock rollover
Datamation Year 2000 issue
1996 - US Congress subcommittees
1996-11-06 - comp.software.year-2000 begins
1996-11-15 - First "More Y2k Links" report
1996-11-19 - www.cinderella.co.za on the air
1996-12-13 - IBM announces VSE/ESA2.2 Y2k ready
1997-01-01 - Datamation Year 2000 issue
1997-03-18 - New York Stock Exchange trades on de Jager Index
1997-04-07 - 999 days to 2000 (catalogs?)
1997-10 - US Government Progress Reviews
1998-08-19 - Global Y2k Awareness Day
1998-12 - US Government deadline for Mission Critical apps
1999-01-01 - US Government deadline
1999-02-26 - SA Government Gazette on local government
1999-08-21 - GPS EOW 10bit counter rollover
99-09-09 - Special value used by programmers
1999-12-31 - PC BIOS Tickover problem:
Set the clock early!
Public Holiday in South Africa
Party Time
99/365 - End of Pseudo Julian world
99-99-99 - Special Value used by programmers
2000-01-01 - Last year of the 20th Century
Overflow of 2 digit years causes Meltdown?
2000-01-03 - Public Holiday in South Africa
2000-1-10 - First 9-character date
2000-02-29 - Leap Year
2000-10-10 - First 10 character date
2000-12-31 - 366th day of 2000
2001-01-01 - Start of 21st Century
2001-01-01 - Overflow Tandem Systems
2001-09-08 - Unix date 999,999,999
2010-01-01 - Overflow ANSI C library
2019 - Original Apple Mac end of world
2034-09-30 - Overflow Unix time function
2038-01-19 - UNIX signed 32bit timer rolls over
2040 - Current Apple Mac end of world
2042-09-18 - IBM 64bit clocks rolls over
2099 - MSDOS x86 (FAT 7 bit year) end of world
2100-01-01 - Not a leap year
2101-01-01 - Start of 22nd Century
3000-01-01 - Not a leap year
9999-99-99 - Special value used by programmers