Time bugs are sneaky and expensive. I wrote up a practical UTC-first approach for ASP.NET Core using DateTimeOffset and TimeZoneInfo so you can stop shipping "why is my order time wrong" bugs for good.
Stop Breaking Clocks in ASP.NET Core with UTC and TimeZoneInfo
bbb.dev
June 18, 2026 at 2:26 PM
Time bugs are sneaky and expensive. I wrote up a practical UTC-first approach for ASP.NET Core using DateTimeOffset and TimeZoneInfo so you can stop shipping "why is my order time wrong" bugs for good.
.NET TimeZoneInfo fails to recognize historical invalid times after 2025 tzdb update for America/Asuncion (114476) https://github.com/dotnet/runtime/issues/114476
.NET TimeZoneInfo fails to recognize historical invalid times after 2025 tzdb update for America/Asuncion · Issue #114476 · dotnet/runtime
Description After updating the OS-level time zone database (tzdb) to reflect Paraguay’s permanent switch to UTC-3, .NET TimeZoneInfo incorrectly treats historically invalid times as valid and retur...
github.com
April 10, 2025 at 7:41 AM
.NET TimeZoneInfo fails to recognize historical invalid times after 2025 tzdb update for America/Asuncion (114476) https://github.com/dotnet/runtime/issues/114476
What's Up with TimeZoneInfo on .NET 6? by @jonskeet.
#dotnet #nodatime #csharp
https://codeblog.jonskeet.uk/2022/02/05/whats-up-with-timezoneinfo-on-net-6-part-1/
#dotnet #nodatime #csharp
https://codeblog.jonskeet.uk/2022/02/05/whats-up-with-timezoneinfo-on-net-6-part-1/
What’s up with TimeZoneInfo on .NET 6? (Part 1)
.NET 6 was released in November 2021, and includes two ne...
codeblog.jonskeet.uk
November 23, 2024 at 6:13 PM
What's Up with TimeZoneInfo on .NET 6? by @jonskeet.
#dotnet #nodatime #csharp
https://codeblog.jonskeet.uk/2022/02/05/whats-up-with-timezoneinfo-on-net-6-part-1/
#dotnet #nodatime #csharp
https://codeblog.jonskeet.uk/2022/02/05/whats-up-with-timezoneinfo-on-net-6-part-1/
What's Up with TimeZoneInfo on .NET 6? (Part 2) by @jonskeet.
#dotnet #programming
https://codeblog.jonskeet.uk/2022/03/27/whats-up-with-timezoneinfo-on-net-6-part-2/
#dotnet #programming
https://codeblog.jonskeet.uk/2022/03/27/whats-up-with-timezoneinfo-on-net-6-part-2/
What’s up with TimeZoneInfo on .NET 6? (Part 2)
In part 1, we ended up with a lot of test data specified ...
codeblog.jonskeet.uk
November 23, 2024 at 11:04 AM
What's Up with TimeZoneInfo on .NET 6? (Part 2) by @jonskeet.
#dotnet #programming
https://codeblog.jonskeet.uk/2022/03/27/whats-up-with-timezoneinfo-on-net-6-part-2/
#dotnet #programming
https://codeblog.jonskeet.uk/2022/03/27/whats-up-with-timezoneinfo-on-net-6-part-2/
Do you mean in the core libraries out of the box? It's definitely in a better state than before, in various ways - but I suspect that retrofitting the Noda Time API into TimeZoneInfo etc could be very tricky.
May 21, 2026 at 3:53 AM
Do you mean in the core libraries out of the box? It's definitely in a better state than before, in various ways - but I suspect that retrofitting the Noda Time API into TimeZoneInfo etc could be very tricky.
Learn to handle time zones & dates correctly in .NET by using DateTimeOffset, TimeZoneInfo, and NodaTime. Improve your application's performance and accuracy with these best practices. #dotnet #codingtips
Just a moment...
malshikay.medium.com
April 30, 2026 at 9:15 PM
Learn to handle time zones & dates correctly in .NET by using DateTimeOffset, TimeZoneInfo, and NodaTime. Improve your application's performance and accuracy with these best practices. #dotnet #codingtips
Time Zone Converter
Convert times between any two time zones instantly. See what time it is right now in any city or time zone, and convert a specific date and time. Free, no sign-up needed.
#timezoneconverter #onlineconversiontools #globaltimeszones #timezoneinfo #worldclock
Convert times between any two time zones instantly. See what time it is right now in any city or time zone, and convert a specific date and time. Free, no sign-up needed.
#timezoneconverter #onlineconversiontools #globaltimeszones #timezoneinfo #worldclock
Time Zone Converter
Convert times between any two time zones instantly. See what time it is right now in any city or time zone, and convert a specific date and time. Free, no sign-up needed.
webby.tools
April 9, 2026 at 5:20 PM
Time Zone Converter
Convert times between any two time zones instantly. See what time it is right now in any city or time zone, and convert a specific date and time. Free, no sign-up needed.
#timezoneconverter #onlineconversiontools #globaltimeszones #timezoneinfo #worldclock
Convert times between any two time zones instantly. See what time it is right now in any city or time zone, and convert a specific date and time. Free, no sign-up needed.
#timezoneconverter #onlineconversiontools #globaltimeszones #timezoneinfo #worldclock
Western Amazon Time Standard — Brazil | Rondônia
⏰ Time in Rondônia, Brazil follows a structured and dependable schedule, supporting daily activities across the state.
#TimeInRondonia #BrazilTime #TimeZoneInfo #WorldTime #RondoniaBrazil,
www.timeofinfo.com/brazil/rondo...
⏰ Time in Rondônia, Brazil follows a structured and dependable schedule, supporting daily activities across the state.
#TimeInRondonia #BrazilTime #TimeZoneInfo #WorldTime #RondoniaBrazil,
www.timeofinfo.com/brazil/rondo...
Time in Rondônia Brazil | Local Time & Time Zone
Check the current time in Rondônia, Brazil. Rondônia follows Amazon Time (AMT), UTC −4 year-round.
www.timeofinfo.com
February 13, 2026 at 10:52 AM
Western Amazon Time Standard — Brazil | Rondônia
⏰ Time in Rondônia, Brazil follows a structured and dependable schedule, supporting daily activities across the state.
#TimeInRondonia #BrazilTime #TimeZoneInfo #WorldTime #RondoniaBrazil,
www.timeofinfo.com/brazil/rondo...
⏰ Time in Rondônia, Brazil follows a structured and dependable schedule, supporting daily activities across the state.
#TimeInRondonia #BrazilTime #TimeZoneInfo #WorldTime #RondoniaBrazil,
www.timeofinfo.com/brazil/rondo...