+13I have a DATETIME string of the format 20180311140001
Which is YYYYMMDDHHMMSS
How can I subtract 10 hours?
Note: I have FME2016, so I lack the DateTimeCalculator
Once I have calculated the above, I still need to do more tweaking, but that is string manipulation, not a math calculation
Best answer by nielsgerrits
Use DateFormatter to convert from %Y%m%d%H%M%S to %s (Count of seconds since the epoch, expressed as a decimal integer.)
Subtract 36000 (60*60*10) seconds.
Convert back to %Y%m%d%H%M%S.
subtract-from-datetime-2016.fmw
Be aware: This deliberately and consciously ignores leap seconds.
+54Use DateFormatter to convert from %Y%m%d%H%M%S to %s (Count of seconds since the epoch, expressed as a decimal integer.)
Subtract 36000 (60*60*10) seconds.
Convert back to %Y%m%d%H%M%S.
subtract-from-datetime-2016.fmw
Be aware: This deliberately and consciously ignores leap seconds.
Alternatively, you can also use the "DateTimeCalculator" custom transformer from FME Hub. It has been deprecated since its name is the same as the regular DateTimeCalculator in FME 2017, but it's still available in FME 2016 and earlier.
Basically the same as @nielsgerrits but all within a python caller transformer.
Except converting the string to python datetime and using timedelta to remove the 10 hours
+54Basically the same as @nielsgerrits but all within a python caller transformer.
Except converting the string to python datetime and using timedelta to remove the 10 hours
2018-02-16 06:51:30| 0.3| 0.0|WARN |Python Exception <NameError>: global name 'NewTime' is not defined
2018-02-16 06:51:30| 0.3| 0.0|WARN |Traceback (most recent call last):
File "<string>", line 15, in input
NameError: global name 'NewTime' is not defined
2018-02-16 06:51:30| 0.3| 0.0|ERROR |Error encountered while calling method `input'
2018-02-16 06:51:30| 0.3| 0.0|FATAL |f_7(PythonFactory): PythonFactory failed to process feature
2018-02-16 06:51:30| 0.3| 0.0|WARN |Python Exception <NameError>: global name 'NewTime' is not defined
2018-02-16 06:51:30| 0.3| 0.0|WARN |Traceback (most recent call last):
File "<string>", line 15, in input
NameError: global name 'NewTime' is not defined
2018-02-16 06:51:30| 0.3| 0.0|ERROR |Error encountered while calling method `input'
2018-02-16 06:51:30| 0.3| 0.0|FATAL |f_7(PythonFactory): PythonFactory failed to process feature subtract-from-datetime-python-2016.fmw
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