什么是“澳大利亚东部夏季标准时间”

Question

来自 /usr/share/postgresql/timezonesets/默认值：

#################### AUSTRALIA ####################

ACSST   37800 D  # Central Australia (not in zic)
AESST   39600 D  # Australia Eastern Summer Standard Time (not in zic)
AEST    36000    # Australia Eastern Standard Time (not in zic)
AWSST   32400 D  # Australia Western Summer Standard Time (not in zic)
AWST    28800    # Australia Western Standard Time (not in zic)
CADT    37800 D  # Central Australia Daylight-Saving Time (not in zic)
CAST    34200    # Central Australia Standard Time (not in zic)
LHDT    39600 D  # Lord Howe Daylight Time, Australia (not in zic)
LHST    37800    # Lord Howe Standard Time (Australia)
                 #     (Australia/Lord_Howe)
LIGT    36000    # Melbourne, Australia (not in zic)
NZT     43200    # New Zealand Time (not in zic)
SADT    37800 D  # South Australian Daylight-Saving Time (not in zic)
SAST    34200    # South Australian Standard Time (not in zic)
WADT    28800 D  # West Australian Daylight-Saving Time (not in zic)
WAST    25200    # West Australian Standard Time (not in zic)
WDT     32400 D  # West Australian Daylight-Saving Time (not in zic)

所以那里有一些夏令时条目，但对于“东部”，它改为“东部夏季标准时间”。那是什么？

Answer 1

“夏季标准”是“夏令时”的旧名称。官方定义见Australian Government Time page。