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fix: uncomment Indian Standard timezone (IST) #52

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Merged
atoomic merged 2 commits into from
Feb 26, 2026
Merged

fix: uncomment Indian Standard timezone (IST) #52

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0a06906
fix: uncomment Indian Standard timezone (IST)
Koan-Bot Feb 26, 2026
dd5ffe6
rebase: apply review feedback on #52
Koan-Bot Feb 26, 2026
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2 changes: 1 addition & 1 deletion lib/Time/Zone.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -219,7 +219,7 @@ CONFIG: {
# "it" => +3*3600+1800,# Iran
"zp4" => +4*3600, # USSR Zone 3
"zp5" => +5*3600, # USSR Zone 4
# "ist" => +5*3600+1800,# Indian Standard
"ist" => +5*3600+1800,# Indian Standard
"zp6" => +6*3600, # USSR Zone 5
# For completeness. NST is also Newfoundland Stanard, and SST is also Swedish Summer.
# "nst" => +6*3600+1800,# North Sumatra
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18 changes: 17 additions & 1 deletion t/cpanrt.t
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
use Date::Format qw(time2str strftime);
use Date::Parse qw(strptime str2time);

print "1..9\n";
print "1..11\n";

my $i = 1;

Expand Down Expand Up @@ -63,3 +63,19 @@ my $i = 1;
print "not " unless $year_parsed_as == $target_year;
print "ok ", $i++, "\n";
}

{ # IST (Indian Standard Time) should resolve to UTC+5:30
use Time::Zone;

my $offset = tz_offset("ist");
print "# tz_offset('ist') = $offset (expected 19800)\n";
print "not " unless defined $offset && $offset == 19800;
print "ok ", $i++, "\n";

# Verify parsing a date with IST timezone
my $time = str2time("2024-01-15 12:00:00 IST");
my $time_utc = str2time("2024-01-15 06:30:00 UTC");
print "# str2time IST=$time UTC=$time_utc\n";
print "not " unless defined $time && defined $time_utc && $time == $time_utc;
print "ok ", $i++, "\n";
}