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How-to articles, tricks, and solutions about DATE

Calculate age based on date of birth

Here is some sample PHP code that calculates a person's age based on their date of birth:

php date MySQL

Calendar date to yyyy-MM-dd format in java

To format a Calendar date in the yyyy-MM-dd format in Java, you can use the SimpleDateFormat class.

converter java date calendar

Checking if date is weekend PHP

To check if a date is a weekend in PHP, you can use the date function to get the day of the week for a given date and then check if it is either 0 (Sunday) or 6 (Saturday).

php date

Convert date to datetime in Python

You can convert a date to datetime in Python using the datetime module.

date datetime python

Convert java.util.Date to String

To convert a java.util.Date object to a String, you can use the format method of the SimpleDateFormat class from the java.text package. The SimpleDateFormat class provides a convenient way to convert a Date object to a String based on a specified format.

java date formatting java.util.date

Converting ISO 8601-compliant String to java.util.Date

To convert an ISO 8601-compliant string to a java.util.Date object, you can use the java.text.SimpleDateFormat class and specify the "yyyy-MM-dd'T'HH:mm:ss.SSSXXX" format, which is the ISO 8601 format for dates with a time and time zone.

java date iso8601

Date format Mapping to JSON Jackson

You can use the @JsonFormat annotation to specify the format of date fields in a JSON payload when serializing or deserializing using Jackson.

json java date jackson pojo

Difference between 2 dates in seconds

In PHP, you can use the built-in function strtotime() to convert a date string to a Unix timestamp, which is the number of seconds since the Unix epoch (January 1, 1970).

php date

Elegant way to get the count of months between two dates?

There are multiple ways to get the count of months between two dates in PHP, but one elegant way is to use the DateTime class and the diff() method.

php date

Get current date, given a timezone in PHP?

To get the current date and time in a specific timezone in PHP, you can use the date_default_timezone_set function to set the timezone and then use the date function to get the current date and time.

php date timezone