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  2. Snowflake ID - Wikipedia

    en.wikipedia.org/wiki/Snowflake_ID

    Discord also uses snowflakes, with their epoch set to the first second of the year 2015. [3] Instagram uses a modified version of the format, with 41 bits for a timestamp, 13 bits for a shard ID, and 10 bits for a sequence number. [8] Mastodon's modified format has 48 bits for a millisecond-level timestamp, as it uses the UNIX epoch. The ...

  3. Discord - Wikipedia

    en.wikipedia.org/wiki/Discord

    Discord is an instant messaging and VoIP social platform which allows communication through voice calls, video calls, text messaging, and media. Communication can be ...

  4. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    A countdown is a sequence of backward counting to indicate the time remaining before an event is scheduled to occur.

  5. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    Many computer systems measure time and date using Unix time, an international standard for digital timekeeping.Unix time is defined as the number of seconds elapsed since 00:00:00 UTC on 1 January 1970 (an arbitrarily chosen time based on the creation of the first Unix system), which has been dubbed the Unix epoch.

  6. Epoch (computing) - Wikipedia

    en.wikipedia.org/wiki/Epoch_(computing)

    Software timekeeping systems vary widely in the resolution of time measurement; some systems may use time units as large as a day, while others may use nanoseconds.For example, for an epoch date of midnight UTC (00:00) on 1 January 1900, and a time unit of a second, the time of the midnight (24:00) between 1 January 1900 and 2 January 1900 is represented by the number 86400, the number of ...

  7. ANSI ASC X9.95 Standard - Wikipedia

    en.wikipedia.org/wiki/ANSI_ASC_X9.95_Standard

    The ANSI X9.95 standard for trusted timestamps expands on the widely used RFC 3161 - Internet X.509 Public Key Infrastructure Time-Stamp Protocol by adding data-level security requirements that can ensure data integrity against a reliable time source that is provable to any third party.

  8. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. An example of a simple timer is an hourglass . Commonly, a timer triggers an alarm when it ends.

  9. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...