Dogpatch Seconds Calculators  

System time check (do this first)

 

OK. Now fill out and submit any of the following calculation forms:

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1. CountUp -  How many seconds have elapsed since a given (past) date/time?   (Examples: Someone's age in seconds; Negative countdown)

Specify start (past) date and time:

MM/DD/YYYY:	//
HH:MM:SS:	::
Timezone:
Title for this calculation (optional):

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2. CountDown  (Inverse of #1) - How many seconds away is a given (future) date/time?   (Example: Seconds until Christmas)

Specify end (future) date and time:

MM/DD/YYYY:	//
HH:MM:SS:	::
Timezone:
Title for this calculation (optional):

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3. Past Interval -  Calculate past date/time a given number of seconds ago.   (Example: What date/time was a billion seconds ago?)

Specify past time interval:
   Seconds:

Title for this calculation (optional):
           

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4. Future Interval  (Inverse of #3) - Calculate future date/time a given number of seconds from now.   (Example: What date/time is a billion seconds from now?)

Specify future time interval:
   Seconds:

Title for this calculation (optional):
           

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5. Forward Interval -  Calculate date/time a specified number of seconds after a given date/time.   (Example: When will so-and-so be a billion seconds old?)

Specify start date and time:
MM/DD/YYYY: //
  HH:MM:SS: ::

  Timezone:

Specify time interval:
   Seconds:

Title for this calculation (optional):
           

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6. Backward Interval  (Inverse of #5) - Calculate date/time a specified number of seconds before a given date/time.   (Example: What date/time was a billion seconds before Pearl Harbor?)

Specify end date and time:
MM/DD/YYYY: //
  HH:MM:SS: ::

  Timezone:

Specify time interval:
   Seconds:

Title for this calculation (optional):
           

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7. Difference -  How many seconds between two given dates/times.   (Example: Difference, in seconds, between two persons' ages)

Specify start date and time:
MM/DD/YYYY: //
  HH:MM:SS: ::

  Timezone:

Specify end date and time:
MM/DD/YYYY: //
  HH:MM:SS: ::

  Timezone:

Title for this calculation (optional):
           

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End notes

Author: Jerry DePyper
Report bugs, comments, suggestions, etc. to me at

Dogpatch home and other Dogpatch sites: http://www.bmi.net/~dogpatchnorth