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 . Does not include leap seconds
 . Birth time probably ± 10 minutes
 . Before the 1930s, the interpretation of daylight savings time and time zones varied.
 . Before the 1800s, time measured down to the minute was rare
  . 2 billion seconds is:
||<)> 23148 || days ||<)> 1999987200 ||
||<)> 3 || hours ||<)> 10800 ||
||<)> 33 || minutes ||<)> 1980 ||
||<)> 20 || seconds ||<)> 20 ||
 . Does not include leap seconds (27 of them so far, so subtract 27 seconds
 . Birth time was daylight savings time, fall back subtracts an hour
 . hence: 23148 days 2 hours, 32 minutes, 53 seconds
 . My birth certificate says 1953, 5 September, 0745 (PDT)
 . So my 2 gsec time of day is 1017 and 53 seconds
 . presumably plus or minus 10 minutes, they were watching a birth, not the clock or the paperwork
Line 13: Line 20:
 . Based on numbers from https://www.araneus.fi/ ... which overestimates the gigasecond by 40 seconds
 . Before the 1930s, the interpretation of daylight savings time and time zones varied.
 . Before the 1800s, time measured down to the minute was rare

Gigaseconds


2Gs 2017/01/20


  • Based on numbers from https://www.araneus.fi/ ... which overestimates the gigasecond by 40 seconds

    • 2 billion seconds is:

23148

days

1999987200

3

hours

10800

33

minutes

1980

20

seconds

20

  • Does not include leap seconds (27 of them so far, so subtract 27 seconds
  • Birth time was daylight savings time, fall back subtracts an hour
  • hence: 23148 days 2 hours, 32 minutes, 53 seconds
  • My birth certificate says 1953, 5 September, 0745 (PDT)
  • So my 2 gsec time of day is 1017 and 53 seconds
  • presumably plus or minus 10 minutes, they were watching a birth, not the clock or the paperwork

Keith Lofstrom's Gigasecond calendar:

  • Based on numbers from https://www.araneus.fi/ ... which overestimates the gigasecond by 40 seconds

  • Before the 1930s, the interpretation of daylight savings time and time zones varied.
  • Before the 1800s, time measured down to the minute was rare

PST day

GMT

PST

PDT

-9 Gs

1688

June 23

2251

1451

Saturday

-8 Gs

1700

March 2

0037+1d

1637

Tuesday

-7 Gs

1731

November 9

0223+1d

1823

Friday

-6 Gs

1763

July 18

0409+1d

2009

Monday

-5 Gs

1795

March 26

0555+1d

2155

Thursday

-4 Gs

1826

December 03

0741+1d

2341

Sunday

-3 Gs

1858

August 12

0927

0127

?

Thursday

-2 Gs

1890

April 20

1113

0313

Sunday

-1 Gs

1921

December 28

1259

0459

Wednesday

0 Gs

1953

September 5

1445

(0645)

0745

Saturday

1 Gs

1985

May 14

1631

(0831)

931

Tuesday

2 Gs

2017

January 20

1817

1017

Friday

Party!

3 Gs

2048

September 28

0303

(1103)

1203

Saturday

Mark your calendar

4 Gs

2080

June 6

2049

(1249)

1349

Thursday

Mark your grandchildren's calendar

5 Gs

2112

February 14

2235

1435

Sunday

6 Gs

2143

October 23

0021+1d

2143

Wednesday

Gigasecond (last edited 2017-02-11 20:25:34 by KeithLofstrom)