Postgres AT TIME ZONE 'UTC' does NOT do what you think it does is a Other product. You can open it on Web App, Website. Try Me Out surfaced it because Spotted on Hacker News front page — likely new launch. The publisher’s own notes say: And why you may need to repeat AT TIME ZONE 'UTC' twice. SUMMARY * AT TIME ZONE 'UTC' converts the data type from timestamptz to timestamp (example). * Now you are inadvertently using the timestamp without time zone (aka timestamp) data type, which is markedly discouraged. * There are tons of footguns with timestamp. * For example, the equality of timestamp and timestamptz will always be false..... unless your Postgres' default timezone is UTC. Read more. * Adding a month wit People look at Other when they want a tool in that category to do a real task, not to collect another login. Use Postgres AT TIME ZONE 'UTC' does NOT do what you think it does only if the official description matches the job you have this week. Postgres AT TIME ZONE 'UTC' does NOT do what you think it does is listed as free to download or try. A free app can still sell extras inside the product, so confirm the current plan on the official page before you rely on it. A fair test is small. Pick one task you already have, try it in Postgres AT TIME ZONE 'UTC' does NOT do what you think it does, and keep the result only if you would send or publish it. If the free option finishes that task, you do not need a paid plan yet. Postgres AT TIME ZONE 'UTC' does NOT do what you think it does does not.