Skip to main content
PHP Blog

Back to all posts

How to Work With Time Interval In Postgresql?

Published on
3 min read
How to Work With Time Interval In Postgresql? image

Best Time Management Tools to Buy in November 2025

1 Rotating Pomodoro Timer 5, 25, 10 50 Minutes Preset, Desk Productivity Flip Timer, ADHD Tool Cube Countdown Stopwatch, Vibration/High/Low Volume/Custom Modes, for Work, Study, Back to School, Kitchen

Rotating Pomodoro Timer 5, 25, 10 50 Minutes Preset, Desk Productivity Flip Timer, ADHD Tool Cube Countdown Stopwatch, Vibration/High/Low Volume/Custom Modes, for Work, Study, Back to School, Kitchen

  • PRESET POMODORO TIMES: NO SETUP NEEDED, JUST START YOUR 25-MIN TIMER!

  • GRAVITY SENSING MODE: EASILY FLIP TO START, STOP, OR RESET COUNTDOWN.

  • CUSTOMIZABLE FEATURES: TAILOR TIME SETTINGS FOR ANY TASK, UP TO 99 MINS!

BUY & SAVE
$17.99
Rotating Pomodoro Timer 5, 25, 10 50 Minutes Preset, Desk Productivity Flip Timer, ADHD Tool Cube Countdown Stopwatch, Vibration/High/Low Volume/Custom Modes, for Work, Study, Back to School, Kitchen
2 Weekly To Do List Notepad, 8.5''x11'' Weekly Desk Planners with 52 Tear Off Sheets Undated Planner Habit Tracker & Productivity Organizer for Home and Work, Pink

Weekly To Do List Notepad, 8.5''x11'' Weekly Desk Planners with 52 Tear Off Sheets Undated Planner Habit Tracker & Productivity Organizer for Home and Work, Pink

  • START PLANNING ANYTIME WITH OUR FLEXIBLE UNDATED WEEKLY PLANNER!
  • STAY ORGANIZED WITH PRIORITIZED SECTIONS FOR DAILY TASKS AND HABITS.
  • DURABLE SPIRAL BINDING AND THICK PAPER FOR A SMOOTH WRITING EXPERIENCE.
BUY & SAVE
$7.99 $9.99
Save 20%
Weekly To Do List Notepad, 8.5''x11'' Weekly Desk Planners with 52 Tear Off Sheets Undated Planner Habit Tracker & Productivity Organizer for Home and Work, Pink
3 The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Talking About

The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Talking About

BUY & SAVE
$15.68 $29.99
Save 48%
The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Talking About
4 4-Piece Multi-Function Electronic Timer, Learning Management, Suitable for Kitchen, Study, Work, Exercise Training, Outdoor Activities(not Including Battery).

4-Piece Multi-Function Electronic Timer, Learning Management, Suitable for Kitchen, Study, Work, Exercise Training, Outdoor Activities(not Including Battery).

  • DURABLE ABS SHELL AND CLEAR LCD FOR LONG-LASTING USE AND VISIBILITY.
  • VERSATILE TIMER FOR COOKING, SPORTS, MEETINGS, AND MORE.
  • CONVENIENT DESIGN: STANDS, MAGNETS, AND STORAGE HOLE FOR EASY USE.
BUY & SAVE
$6.99 $7.98
Save 12%
4-Piece Multi-Function Electronic Timer, Learning Management, Suitable for Kitchen, Study, Work, Exercise Training, Outdoor Activities(not Including Battery).
5 The Ultimate Time Management Toolkit (Ultimate Toolkits for Psychological Wellbeing)

The Ultimate Time Management Toolkit (Ultimate Toolkits for Psychological Wellbeing)

BUY & SAVE
$20.92 $21.95
Save 5%
The Ultimate Time Management Toolkit (Ultimate Toolkits for Psychological Wellbeing)
6 Weekly To Do List Notepad, 60 Page Task Planning Pad w/Daily Checklist, Priority Todo Checkbox & Notes. Desk Notebook to Organize Office 11 X 8.5

Weekly To Do List Notepad, 60 Page Task Planning Pad w/Daily Checklist, Priority Todo Checkbox & Notes. Desk Notebook to Organize Office 11 X 8.5

  • ORGANIZE TASKS WITH PRIORITY SECTIONS FOR MAXIMUM EFFICIENCY.
  • VERSATILE USE: PERFECT FOR HOME, OFFICE, SCHOOL, AND MORE!
  • QUALITY DESIGN: 100 GSM PAPER ENSURES DURABILITY AND SMOOTH WRITING.
BUY & SAVE
$13.99
Weekly To Do List Notepad, 60 Page Task Planning Pad w/Daily Checklist, Priority Todo Checkbox & Notes. Desk Notebook to Organize Office 11 X 8.5
7 Daily Planner Notepad with Hourly Schedule - ADHD Planner, Time Block Planning Pad, Desktop To Do List, College Supplies - 6 x 9” - 50 Undated Sheets

Daily Planner Notepad with Hourly Schedule - ADHD Planner, Time Block Planning Pad, Desktop To Do List, College Supplies - 6 x 9” - 50 Undated Sheets

  • ORGANIZE NOTES, TASKS, AND GOALS ALL IN ONE STYLISH PLANNER.
  • BOOST FOCUS AND PRODUCTIVITY, IDEAL FOR ADHD AND BUSY SCHEDULES.
  • PERFECT GIFT FOR ANYONE NEEDING TO ENHANCE ORGANIZATION AND HABITS.
BUY & SAVE
$9.95
Daily Planner Notepad with Hourly Schedule - ADHD Planner, Time Block Planning Pad, Desktop To Do List, College Supplies - 6 x 9” - 50 Undated Sheets
8 ZICOTO Beautiful Daily Planner And Notebook With Hourly Schedule - Aesthetic Spiral To do List Notepad to Easily Organize Your Work Tasks And Appointments - The Perfect Office Supplies For Women

ZICOTO Beautiful Daily Planner And Notebook With Hourly Schedule - Aesthetic Spiral To do List Notepad to Easily Organize Your Work Tasks And Appointments - The Perfect Office Supplies For Women

  • STAY ORGANIZED & REDUCE STRESS WITH OUR USER-FRIENDLY DAILY PLANNER!
  • BOOST PRODUCTIVITY WITH HALF-HOURLY FOCUS BLOCKS FOR TASK MANAGEMENT.
  • AMPLE SPACE FOR 80 DAYS OF PLANNING IN A STYLISH, MODERN DESIGN!
BUY & SAVE
$7.99
ZICOTO Beautiful Daily Planner And Notebook With Hourly Schedule - Aesthetic Spiral To do List Notepad to Easily Organize Your Work Tasks And Appointments - The Perfect Office Supplies For Women
+
ONE MORE?

To work with time intervals in PostgreSQL, you can use the interval data type. This type allows you to store time durations in a flexible manner. You can perform mathematical operations on time intervals such as addition, subtraction, multiplication, and division. Time intervals can be used in queries to filter data based on time durations or to calculate the difference between two timestamps. PostgreSQL also provides functions to extract specific components from time intervals, such as seconds, minutes, hours, and days. By using the interval data type and its related functions, you can easily work with time intervals in PostgreSQL for various data analysis and management tasks.

How to convert a timestamp to a formatted date in PostgreSQL?

You can use the to_timestamp() function in PostgreSQL to convert a timestamp to a formatted date. Here's an example of how you can do this:

SELECT to_timestamp(your_timestamp)::date AS formatted_date;

Replace your_timestamp with the timestamp you want to convert. The to_timestamp() function converts the timestamp to a PostgreSQL timestamp, and then ::date converts it to a date format.

You can also format the date in a specific way by using the to_char() function along with to_timestamp(). Here's an example:

SELECT to_char(to_timestamp(your_timestamp), 'YYYY-MM-DD') AS formatted_date;

This will format the date as 'YYYY-MM-DD', but you can customize the format according to your needs.

How to extract the day from a timestamp in PostgreSQL?

You can extract the day from a timestamp in PostgreSQL using the EXTRACT function. Here is an example query to extract the day from a timestamp:

SELECT EXTRACT(DAY FROM timestamp_column) AS day FROM your_table;

In this query:

  • timestamp_column is the name of the column where the timestamp is stored.
  • your_table is the name of the table where the timestamp data is stored.

This query will return the day portion of the timestamp as an integer value.

What is the function for finding the current timestamp in PostgreSQL?

In PostgreSQL, you can use the CURRENT_TIMESTAMP function to retrieve the current date and time as a TIMESTAMP value.

You can use it in a query like this:

SELECT CURRENT_TIMESTAMP;

This will return the current timestamp in the default format, which includes the date and time.

How to calculate the total number of minutes in an interval in PostgreSQL?

You can use the EXTRACT function in PostgreSQL to calculate the total number of minutes in an interval. Here's an example:

SELECT EXTRACT(EPOCH FROM interval '2 days 3 hours 30 minutes') / 60 AS total_minutes;

In this example, the interval is '2 days 3 hours 30 minutes'. The EXTRACT function extracts the total number of seconds in the interval, so we divide by 60 to convert to minutes. The result will be the total number of minutes in the interval.

How to calculate the total number of weeks in an interval in PostgreSQL?

To calculate the total number of weeks in an interval in PostgreSQL, you can use the following query:

SELECT EXTRACT(EPOCH FROM INTERVAL '1 week') / EXTRACT(EPOCH FROM your_interval) AS total_weeks

Replace your_interval with the interval you want to calculate the total number of weeks for. This query will return the total number of weeks in that interval.