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%
% This file demonstrates various date formats and tests which apply to them
% for output
%
\documentclass[a4paper]{article}
\usepackage{fontspec}
\usepackage[american]{babel}
\usepackage{csquotes}
\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@misc{date1,
note = {Years with implicit era},
author = {Author1},
date = {-0099-07-11/-0043-03-13}, % Negative date range
origdate = {-0477}, % Negative date
eventdate = {0477/0566}, % Forced CE era due to dateeraauto setting
urldate = {-0020/0100}, % Cross BCE/CE range
}
@misc{date2,
note = {Dates with circa and uncertain markers},
author = {Author2},
date = {1723%}, % year with EDTF approximate (circa) and uncertainty markers
origdate = {1934-02~}, % year and month with circa marker
eventdate = {1976?}, % year with uncertainty marker
urldate = {1922~}, % year with EDTF approximate (circa) marker
}
@misc{date3,
note = {Date ranges},
author = {Author3},
date = {1934~/1936~}, % year range with circa markers
origdate = {1723~/..}, % open-ended year range with circa marker
eventdate = {1976?/..}, % open-ended year range with uncertainty marker
urldate = {1976/..} % open-ended year range with open marker
}
@misc{date4,
note = {Times},
author = {Author4},
date = {2004-04-25T14:34:00/2004-04-25T14:37:06}, % Date with time, floating timezone
origdate = {2004-04-25T14:34:00Z/2004-04-25T14:34:05Z}, % Date with time, UTC timezone
eventdate = {2004-04-25T14:34:00+05:00/2004-04-25T15:34:00+05:00}, % Date with time, explicit timezone
urldate = {2004-04-25T14:34:00/2004-04-25T15:00:00}, % Datetime range
}
@misc{date5,
note = {Seasons},
author = {Author5},
date = {1723-21}, % season (21=spring, 22=summer, 23=autumn, 24=winter)
origdate = {1934-24~}, % uncertain year plus season
eventdate = {1934-22/1934-23}, % range with seasons
}
@misc{date6,
% uses the 'nodate' localisation string due to default \DeclareLabeldate setting
note = {Date from literal/localisation string},
author = {Author6},
}
@misc{date7,
note = {Unspecified dates can be used to do amusing things},
author = {Author7},
date = {19XX}, % unspecified year in century
origdate = {199X}, % unspecified year in decade
}
@misc{date8,
note = {Astronomical year era},
author = {Author8},
date = {0001}, % with dateera=astronomical, 1, otherwise 1 CE
origdate = {0000}, % with dateera=astronomical, 0, otherwise 1 BCE
eventdate = {-0001}, % with dateera=astronomical, -1, otherwise 2 BCE
urldate = {-0379} % with dateera=astronomical, -379, otherwise 380 BCE
}
@misc{date9,
note = {Automatic era setting},
author = {Author9},
date = {1066},
origdate = {0876},
eventdate = {0402},
urldate = {-0382}
}
@misc{date10,
note = {More Date ranges},
author = {Author10},
date = {1034/}, % unknown
origdate = {/1034}, % unknown
eventdate = {../1034}, % open-start to year range
urldate = {../1034} % open
}
\end{filecontents}
\usepackage[style=authoryear,%
% dateabbrev=false,% when false, don't abbreviate months/seasons
% julian=true,% convert dates before gregorianstart to Julian Calendar
% gregorianstart=1582-10-15,% Default
alldates=short,%
% alldates=ymd,% Year-Month-Day format
% alldates=iso,% ISO8601 format
alldatesusetime=true, % print time components in non-compact date ranges
alltimes=12h,%
% alltimes=24h,% prints 24 hour format times (default)
% alltimes=24hcomp,% prints 24 hour compressed format times
% seconds=true,% uncomment to print seconds
% timezones=true,% uncomment to print timezones
datezeros=false,% pad date components with zeros?
dateera=secular,% prints BCE/CE controlled by dateerauto, datezeros
% dateera=christian,% prints BC/AD controlled by dateerauto, datezeros
% dateera=astronomical,% prints astronomical dates, controlled by datezeros
dateeraauto=600,% Sets the max year ceiling for automatic printing of era
% abbreviate=false,% prints full date localisation strings
dateuncertain=true,%
datecirca=true,%
sorting=none,%
backend=biber]{biblatex}
\addbibresource{\jobname.bib}
\defbibenvironment{simple}
{\list{}
{\setlength{\leftmargin}{0pt}%
\setlength{\itemindent}{0pt}%
\setlength{\bibitemsep}{1ex}%
\setlength{\itemsep}{\bibitemsep}%
\setlength{\parsep}{\bibparsep}}}
{\endlist}
{\item}
\DeclareFieldFormat{urldate}{#1}
\DeclareFieldFormat{time}{\mkbibemph{#1}}
\DeclareFieldFormat{labeltime}{\mkbibemph{#1}}
\DeclareFieldFormat{origtime}{\mkbibemph{#1}}
\DeclareFieldFormat{eventtime}{\mkbibemph{#1}}
\DeclareFieldFormat{urltime}{\mkbibemph{#1}}
\makeatletter
\DeclareBibliographyDriver{misc}{%
\printfield[emph]{note}\\
\iffieldundef{labelyear}{}{%
\printtext[bold]{labeldate = }\printlabeldate
\iffieldundef{labelhour}{}
{\\\printtext[bold]{labeltime = }\printlabeltime}}\\%
\iffieldundef{year}{}{%
\iffieldequalstr{dateunspecified}{yearincentury}
{\printtext[bold]{date = }\number\numexpr\thefield{year}/100+1\relax th Century}
{\printtext[bold]{date = }\printdate
\iffieldundef{hour}{}
{\\\printtext[bold]{time = }\printtime}}}\\%
\iffieldundef{origyear}{}{%
\iffieldequalstr{origdateunspecified}{yearindecade}
{\printtext[bold]{date = }The \expandafter\@gobbletwo\number\thefield{origyear}s}
{\printtext[bold]{origdate = }\printorigdate
\iffieldundef{orighour}{}
{\\\printtext[bold]{origtime = }\printorigtime}}}\\%
\iffieldundef{eventyear}{}{%
\printtext[bold]{eventdate = }\printeventdate
\iffieldundef{eventhour}{}
{\\\printtext[bold]{eventtime = }\printeventtime}}\\%
\iffieldundef{urlyear}{}{%
\printtext[bold]{urldate = }\printurldate
\iffieldundef{urlhour}{}
{\\\printtext[bold]{urltime = }\printurltime}}%
}
\begin{document}
\section*{Date formats}
This example file parses and formats some of the supported date formats and
demonstrates the output options. See the source for details. You can change
the options in the source file and this document will show you the options chosen.
\subsection*{Options used to format this test document}
\begingroup
datecirca=\textbf{\iftoggle{blx@datecirca}{1}{0}}\\
dateuncertain=\textbf{\iftoggle{blx@dateuncertain}{1}{0}}\\
dateera=\textbf{\blx@dateera}\\
dateerauto=\textbf{\blx@dateeraauto}\\
datezeros=\textbf{\iftoggle{blx@datezeros}{1}{0}}\\
timezeros=\textbf{\iftoggle{blx@timezeros}{1}{0}}\\
timezones=\textbf{\iftoggle{blx@timezones}{1}{0}}\\
seconds=\textbf{\iftoggle{blx@seconds}{1}{0}}\\
julian=\textbf{\iftoggle{blx@julian}{1}{0}}\\
gregorianstart=\textbf{\blx@gregorianstart}\\
\def\do#1{%
#1=\textbf{\csuse{blx@dateformat@#1}}\\}
\do{labeldate}
\abx@dodates
\def\do#1{%
#1time=\textbf{\csuse{blx@timeformat@#1time}}\\
#1dateusetime=\textbf{\iftoggle{blx@#1dateusetime}{1}{0}}\\}
\do{label}
\abx@dodatetypes
\endgroup
\subsection*{Example Citation Formats}
\textcite{date1,date2,date3,date4,date5,date6,date7,date8,date9,date10}\\[1ex]
\cite{date1}\\
\cite{date2}\\
\cite{date3}\\
\cite{date4}\\
\cite{date5}\\
\cite{date6}\\
\cite{date7}\\
\cite{date8}\\
\cite{date9}\\
\cite{date10}
\printbibliography[env=simple,title={Example Bibliography Formats}]
\end{document}
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