Honor Harrington's Universe

I have noticed inconsistencies between day length, year length,
number of days per year, etc.

The problem is that Weber's numbers (More Than Honor p.336) 
contradict each others.

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With my assumptions (taken from MTH p. 335-337) 

- March 21, 1416 PD equals First 1, 1 AL (Manticoran style). 
- March 3, 1900 PD equals Fourth 25, 280 AL. 
- The Manticoran year is 673 local days, with every third a
  leap year of 674 days. 
- The Manticoran year has 18 months of 37 or 38 days each. 

I get these numbers for length of Manticoran year and day:

The Manticoran year is 1.7333 T-years,
or 633.0822 T-days,
or 673.3333 M-days. 

The Manticoran day is 0.9402 T-days,
or 22.5653 hours,
or 22 hours 33.9203 min,
or 22 hours 34 minutes.

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If we instead assume that every 10:th year is a leap year
to get a M-year of 673.1 M-days (as stated by Weber),

** NOTE: Weber said 673.31 days, but that does not help ** 

we get these numbers for length of Manticoran year and day:

The Manticoran year is 1.7333 T-years,
or 633.0829 T-days,
or 673.1000 M-days. 

The Manticoran day is 0.9406 T-days,
or 22.5733 hours,
or 22 hours 34.3958 min,
or 22 hours 34 minutes.

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But to get a Manticoran day of 22.45 hours (22 h, 27 m) the
M-year needs to be 676.8 M-days long.

And assuming that landing did not happen at 01-01-01 AL, but
late in year 1 AL does not help, because that will actually
make the M-day longer.

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So one can see that there are inconsistencies.

// 1998-07-19 Bo Johansson