I spent some time in SE Asia. Plastic consumption is rampant there, with styrofoam trays, plastic wrap, and plastic bags used for most items in stores. Street food vendors put their food in plastic. Straws and hard…
The latest standard (2019) is divided into two parts: ISO 8601-1 and ISO 8601-2. Part 2 is titled "Extensions" and includes many different - but optional - ways to extend representations of dates and times. In my…
There is a list of "Sub-year groupings" which assign two-digit numbers to seasons (hemisphere independent), seasons (Northern Hemisphere), seasons (Southern Hemisphere), quarters, quadrimesters (four-month periods), and…
ISO 8601-2:2019 defines quarters in section 4.8, "Sub-year groupings". Your example of "2021-Q1" can be represented as "2021-33".
Your example is valid in ISO 8601-1:2019. There are only two possible representations for which "T" is required: hh or hhmm in 'basic' format (i.e. no ":" separator). The former could be confused with a two-digit…
The spec permits more than 4 digits for 'year' by mutual agreement. This is called 'expanded representation'. There is no limit to the number of digits, but parties need to agree on how many additional digits will be…
I encountered this problem a number of times. I believe, in my case at least, that I noticed a pattern. I believe that facebook's activity log filters posts related to disabled accounts. I think that when someone…
I spent some time in SE Asia. Plastic consumption is rampant there, with styrofoam trays, plastic wrap, and plastic bags used for most items in stores. Street food vendors put their food in plastic. Straws and hard…
The latest standard (2019) is divided into two parts: ISO 8601-1 and ISO 8601-2. Part 2 is titled "Extensions" and includes many different - but optional - ways to extend representations of dates and times. In my…
There is a list of "Sub-year groupings" which assign two-digit numbers to seasons (hemisphere independent), seasons (Northern Hemisphere), seasons (Southern Hemisphere), quarters, quadrimesters (four-month periods), and…
ISO 8601-2:2019 defines quarters in section 4.8, "Sub-year groupings". Your example of "2021-Q1" can be represented as "2021-33".
Your example is valid in ISO 8601-1:2019. There are only two possible representations for which "T" is required: hh or hhmm in 'basic' format (i.e. no ":" separator). The former could be confused with a two-digit…
The spec permits more than 4 digits for 'year' by mutual agreement. This is called 'expanded representation'. There is no limit to the number of digits, but parties need to agree on how many additional digits will be…
I encountered this problem a number of times. I believe, in my case at least, that I noticed a pattern. I believe that facebook's activity log filters posts related to disabled accounts. I think that when someone…