--- a/calendar/chrome/calendar/calendar-extract.properties
+++ b/calendar/chrome/calendar/calendar-extract.properties
@@ -59,29 +59,29 @@ no.datetime.suffix = gesendet | geschick
 
 # LOCALIZATION NOTE (from.today):
 # must not be empty!
 from.today = heute
 
 from.tomorrow = morgen
 # LOCALIZATION NOTE (until.*):
 # can be a list of values, separate variants by |
-until.tomorrow = morgen
+until.tomorrow = bis morgen | - morgen
 
 # LOCALIZATION NOTE (ordinal.date):
 # %1$S = matches numbers 1-31 and number.x
 # should not have "%1$S" as this would match any single number in email to a time
 from.ordinal.date = %1$S.
 
 # LOCALIZATION NOTE (until.ordinal.date):
 # %1$S = matches numbers 1-31 and number.x
 until.ordinal.date =
 
 from.noon = Mittag | mittags
-until.noon = Mittag | mittags
+until.noon = bis Mittag | - Mittag | bis mittags | - mittags
 
 # LOCALIZATION NOTE (hour.only):
 # %1$S = matches numbers 0-23 and number.0-number.23
 # should not have "%1$S" as this would match any single number in email to a time
 from.hour = um %1$S | gegen %1$S | von %1$S | von etwa %1$S | von ungefähr %1$S | ab %1$S | ab etwa %1$S | ab ungefähr %1$S | zwischen %1$S  | %1$S - | %1$S bis
 
 # LOCALIZATION NOTE (until.hour):
 # %1$S = matches numbers 0-23 and number.0-number.23
@@ -107,25 +107,25 @@ from.hour.pm =
 until.hour.pm =
 
 # LOCALIZATION NOTE (from.half.hour.before):
 # denotes times 30 minutes before next full hour
 from.half.hour.before = halb %1$S
 
 # LOCALIZATION NOTE (until.half.hour.before):
 # denotes times 30 minutes before next full hour
-until.half.hour.before = halb %1$S
+until.half.hour.before = bis halb %1$S | - halb %1$S
 
 # LOCALIZATION NOTE (from.half.hour.after):
 # denotes times 30 minutes after last full hour
 from.half.hour.after = %1$S Uhr dreißig | %1$S:30 Uhr
 
 # LOCALIZATION NOTE (until.half.hour.after):
 # denotes times 30 minutes after last full hour
-until.half.hour.after = %1$S Uhr dreißig | %1$S:30 Uhr
+until.half.hour.after = bis %1$S Uhr dreißig | bis %1$S:30 Uhr | - %1$S Uhr dreißig | - %1$S:30 Uhr
 
 # LOCALIZATION NOTE (hour.minutes):
 # %1$S = matches numbers 0-23
 # %2$S = matches numbers 0-59
 from.hour.minutes = %1$S:%2$S | %1$S Uhr %2$S
 
 # LOCALIZATION NOTE (until.hour.minutes):
 # %1$S = matches numbers 0-23
@@ -155,51 +155,51 @@ until.hour.minutes.pm =
 # LOCALIZATION NOTE (monthname.day):
 # %1$S = matches numbers 1-31 and number.x
 # %2$S = matches monthname
 from.monthname.day = %1$S %2$S | %1$S. %2$S
 
 # LOCALIZATION NOTE (until.monthname.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches monthname
-until.monthname.day = %1$S %2$S | %1$S. %2$S
+until.monthname.day = - %1$S %2$S | bis %1$S %2$S | und %1$S %2$S | - %1$S. %2$S | bis %1$S. %2$S | und %1$S. %2$S
 
 # LOCALIZATION NOTE (month.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches numbers 1-12
 from.month.day = %1$S.%2$S.
 
 # LOCALIZATION NOTE (until.month.day):
 # %1$S = matches numbers 1-31 and number.x
 # %2$S = matches numbers 1-12
-until.month.day = %1$S.%2$S. | %1$S %2$S.
+until.month.day = - %1$S.%2$S. | bis %1$S.%2$S. | und %1$S.%2$S. | - %1$S %2$S. | bis %1$S %2$S. | und %1$S %2$S.
 
 # LOCALIZATION NOTE (year.month.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches numbers 1-12
 # %3$S = matches 2/4 numbers
 from.year.month.day = %1$S/%2$S/%3$S | %3$S/%2$S/%1$S | %3$S-%2$S-%1$S | %3$S%2$S%1$S | %1$S.%2$S.%3$S | %1$S-%2$S-%3$S
 
 # LOCALIZATION NOTE (until.year.month.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches numbers 1-12
 # %3$S = matches 2/4 numbers
-until.year.month.day = %1$S/%2$S/%3$S | %3$S/%2$S/%1$S | %3$S-%2$S-%1$S | %3$S%2$S%1$S | %1$S.%2$S.%3$S | %1$S-%2$S-%3$S
+until.year.month.day = - %1$S/%2$S/%3$S | - %3$S/%2$S/%1$S | - %3$S-%2$S-%1$S | - %3$S%2$S%1$S | - %1$S.%2$S.%3$S | - %1$S-%2$S-%3$S | bis %1$S/%2$S/%3$S | bis %3$S/%2$S/%1$S | bis %3$S-%2$S-%1$S | bis %3$S%2$S%1$S | bis %1$S.%2$S.%3$S | bis %1$S-%2$S-%3$S |  und %1$S/%2$S/%3$S | und %3$S/%2$S/%1$S | und %3$S-%2$S-%1$S | und %3$S%2$S%1$S | und %1$S.%2$S.%3$S | und %1$S-%2$S-%3$S
 
 # LOCALIZATION NOTE (year.monthname.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches monthname
 # %3$S = matches 2/4 numbers
 from.year.monthname.day = %1$S %2$S %3$S | %1$S. %2$S %3$S
 
 # LOCALIZATION NOTE (until.year.monthname.day):
 # %1$S = matches numbers 1-31
 # %2$S = matches monthname
 # %3$S = matches 2/4 numbers
-until.year.monthname.day = %1$S %2$S %3$S | %1$S. %2$S %3$S
+until.year.monthname.day = - %1$S %2$S %3$S | - %1$S. %2$S %3$S | bis %1$S %2$S %3$S | bis %1$S. %2$S %3$S | und %1$S %2$S %3$S | und %1$S. %2$S %3$S
 
 # LOCALIZATION NOTE (duration.*):
 # can be a list of values, separate variants by |
 
 # LOCALIZATION NOTE (duration.minutes):
 # %1$S = matches 1/2 numbers and number.0 - and number.31
 duration.minutes = %1$S Minuten | %1$S Min | %1$S Min. | %1$S min | %1$S mins
 
@@ -239,23 +239,23 @@ from.weekday.4 = Donnerstag | Donnerstag
 from.weekday.5 = Freitag | Freitags | freitags
 from.weekday.6 = Samstag | Samstags | samstags
 
 # LOCALIZATION NOTE (until.weekday.*):
 # used to derive end date based on weekdays mentioned
 # can be a list of values, separate variants by |
 # LOCALIZATION NOTE (until.weekday.0):
 # Regardless of what the first day of the week is in your country, 0 is Sunday here.
-until.weekday.0 = Sonntag | Sonntags | sonntags
-until.weekday.1 = Montag | Montags | montags
-until.weekday.2 = Dienstag | Dienstags | dienstags
-until.weekday.3 = Mittwoch | Mittwochs | mittwochs
-until.weekday.4 = Donnerstag | Donnerstags | donnerstags
-until.weekday.5 = Freitag | Freitags | freitags
-until.weekday.6 = Samstag | Samstags | samstags
+until.weekday.0 = bis Sonntag | - Sonntag | und Sonntag | bis Sonntags | - Sonntags | und Sonntags | bis sonntags | - sonntags | und sonntags
+until.weekday.1 = bis Montag | - Montag | und Montag | bis Montags | - Montags | und Montags | bis montags | - montags | und montags
+until.weekday.2 = bis Dienstag | - Dienstag | und Dienstag | bis Dienstags | - Dienstags | und Dienstags | bis dienstags | - dienstags | und dienstags
+until.weekday.3 = bis Mittwoch | - Mittwoch | und Mittwoch | bis Mittwochs | - Mittwochs | und Mittwochs | bis mittwochs | - mittwochs | und mittwochs
+until.weekday.4 = bis Donnerstag | - Donnerstag | und Donnerstag | bis Donnerstags | - Donnerstags | und Donnerstags | bis donnerstags | - donnerstags | und donnerstags
+until.weekday.5 = bis Freitag | - Freitag | und Freitag | bis Freitags | - Freitags | und Freitags | bis freitags | - freitags | und freitags
+until.weekday.6 = bis Samstag | - Samstag | und Samstag | bis Samstags | - Samstags | und Samstags | bis samstags | - samstags | und samstags
 
 # LOCALIZATION NOTE (number.*):
 # used within other patterns to understand dates where day of month isn't written with digits
 # can be a list of values, separate variants by |
 number.0 = null
 number.1 = eine | einen | eins | erste | ersten | erstem
 number.2 = zwei | zweite | zweiten | zweitem
 number.3 = drei | dritte | dritten | drittem