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Windows, the TZ environment variable must be specified as UTC-9: > set TZ=JST-9 For time zones ahead of UTC, the time difference is negative įor those behind UTC, the difference is positive.įor example, Japan's colloquial UTC offset is UTC+9 however, on

Reverse), its sign may be the opposite of what you might intuitivelyĮxpect. Time difference is the offset from local time to UTC (rather than the Take care in computing the sign of the time difference. Olson time zone database names and instead you must specify an absoluteĪnd this offset is the opposite of the colloquial offset: However, on Windows, the TZ environment variable does not support Using the Olson time zone database name (Time zone ID: ) On POSIX systems such as Linux, this is just a matter of Launched from a terminal after setting the appropriate TZ environment

Wireshark does not match the capture system, then Wireshark must be The packets were captured, if the local timezone of the system running To show absolute timestamps in the local timezone of the system where To show these UTC timestamps, click View > Time Display Format > Libpcap, the timestamps in the capture are stored as UTC ( ). For the most common capture formats such as It's often useful to show absolute timestamps toĬorrelate to other logs. Is handed the packet from its way from the client to the NIC, before itīy default, Wireshark shows relative timestamps (seconds sinceīeginning of capture). For an outgoing packet, the timestamp is when the capture mechanism.Include any transition time over the NIC. Is handed the packet from its way from the NIC to the client. For an incoming packet, the timestamp is when the capture mechanism.On the other side where the packet was sent from/to. This requires a correlated packet capture There is no way with a single capture to know how long it took for.For most purposes, focusing onĪ TCP stream, i.e.