Time Zones and Calendars are a PITA

Derick Rethans

Saturday 21 April 2018 from 11:00 to 11:50

Talk in English - UK at Longhorn PHP Conference 2018
Track Name: OpenShift
View Slides: https://derickrethans.nl/talks/time-longhorn18
Short URL: https://joind.in/talk/422f3 (QR-Code (opens in new window))

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Time Zones and Calendars are a PITA. Although they govern how we live and when we do what, handling them programmatically is not an easy feat.

In this presentation we will look at how to deal with time zones, and two calendars: natural year, and ISO8601. We will see how it is hard to make assumptions on how they work, and explain how they came into existence. We’ll focus mostly on how to handle them from within PHP, as well as how we (should) store them in databases. We’ll also have a quick look at date manipulation when querying data.

Comments

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Eric Poe at 11:56 on 21 Apr 2018

Information heavy presentation from the creator of PHP's DateTime. Well done!

Bill Condo at 17:11 on 21 Apr 2018

Easy to understand info and examples.