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- day_of_year(yyyy, mm, dd)
- get the days in a given year for calender date
Input:
-------------------------------------------
1. yyyy, mm, dd:<integer>:year, month and day
Returns:
---------------------------------------------
1. days in year
- days_in_year(yyyy)
- get the days in a given year for calender date
Input:
-------------------------------------------
1. yyyy, mm, dd:<integer>:year, month and day
Returns:
---------------------------------------------
1. days in year
- doy_to_tai85(doy, sec=0, yyyy=2004)
- convert the day of year to tai85 format
(i.e., Seconds since 1985-01-01 00:00:00)
Inputs:
1. doy:<integer>: Day of year
2. sec:<integer>: Seconds in the day
3. yyyy: <integer>: Year
Returns:
---------------------------------------------
1. tai85: in seconds
- doy_to_time_array(doy, yyyy=2005)
- convert day of year to calendar date (yyyy, mm, dd)
Inputs:
1. doy:<integer>: Day of year
2. yyyy: <integer>: Year
Returns:
---------------------------------------------
1. yyyy, mm, dd:<integer>: year, month and day
- doy_to_utc(doy, sec=0, yyyy=2004)
- convert day of year to utc string
Inputs:
1. doy:<integer>: Day of year
2. sec:<integer>: Seconds in the day
3. yyyy: <integer>: Year
Returns:
---------------------------------------------
1. utc: the time in utc format yyyy-mm-dd hh:mm:ss
- get_doy(yyyy, mm, dd)
- get the days in a given year for calender date
(wrapper for day_of_year)
Input:
----------------------------
1. yyyy, mm, dd:<integer>:year, month and day
Returns:
---------------------------------------------
1. days in year
- get_tau(yyyy, mm, dd, hh=0, mi=0, sec=0)
- convert yyyy, mm, dd, hh, mi, sec to tau (i.e, hours since 1985.01.01, 00:00)
Inputs:
1. yyyy, mm, dd, hh, mi, sec:<integer>: year, month, day, hour, minute and second
Outputs:
1. tau:<float>: Hours since 1985.01.01, 00:00
- get_ut_loc_time_slot(lt_st, lt_end, day_time_grid, lon, day_length=86400.0)
- get indexes for UT time series which fall within the local time slot
Inputs:
1.lt_st, lt_end:<numeric>: local time periods.
2.day_time_grid:<array>: UT time series
3.lon:<array>: longitudes of the locations.
4. day_length:<float>: the length of day in seconds or hours.
The unit should be consistent with day_time_grid and the local time period.
Returns:
-----------------------------------------
1. usd_idx:<array>:the index for the UT time series which fall within the local time
between ls_st and lt_end
- next_doy(yyyy_in, doy_in, days=1, return_ymd=False)
- get date for current time + n days later
Inputs:
-----------------------------------------
1.yyyy_in, doy_in:<integer>: current year and day of year
2.days:<integer>: day increment
3.return_ymd:<T/F>: if ture, year, month and day will be returned
Returns:
-----------------------------------------
1.yyyy, doy:<integer>: year and day, If return_ymd==False,
or
1. yyyy, mm, dd:<integer>:year, month and day, If return_ymd==True.
- tai85_to_utc(tai85)
- convert a time in tai85 format to UTC string
Inputs:
----------------------------------------
1. tai85:<integer>: Seconds since 1985-01-01 00:00:00
Returns:
---------------------------------------------
1. utc: <string>: time in utc format (yyyy-mm-dd hh:mi:ss)
Notes:
Time_leap is done in a hard (hand) way
- tau_to_time_array(tau)
- convert tau (i.e, hours since 1985.01.01, 00:00) to yyyy, mm, dd, hh, mi, sec
Inputs:
-----------------------------------------------------------
1. tau:<float>: Hours since 1985.01.01, 00:00
Returns:
-----------------------------------------
1. yyyy, mm, dd, hh, mi, sec:<integer>: year, month, day, hour, minute and second
- time_array_to_utc(yyyy, mm, dd, hh=0, mi=0, sec=0)
- convert yyyy, mm, dd, hh, mi, sec to utc string
Inputs:
1. yyyy, mm, dd, hh, mi, sec:<integer>: year, month, day, hour, minute and second
Returns:
-----------------------------------------
1. utc: the time in utc format yyyy-mm-dd hh:mm:ss
- utc_to_tai85(utc)
- convert utc string to tai85 format
(i.e., Seconds since 1985-01-01 00:00:00)
Inputs:
--------------------------------------------
1. utc: utc time in yyyy-mm-dd hh:mi:ss
Returns:
---------------------------------------------
1. tai85: <integer> seconds since
- utc_to_time_array(utc)
- convert the utc string to yyyy, mm, dd, hh, mi, sec
Inputs:
1. utc:<string>: the time in utc format yyyy-mm-dd hh:mm:ss
Returns:
-----------------------------------------
1. yyyy, mm, dd, hh, mi, sec:<integer>: year, month, day, hour, minute, seconds
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