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    CtoC(Convert to client timezone) is a simple yet useful script that is used to convert the time to the client side timezone by employing minimum changes in your application.CtoC capable to convert the date-time to both local and any other timezone you want it to.

    This package has javascript handle that can be fetched into your code to handle the date objects. The primary purpose of this package is to eliminate the mundane code that user uses to handle timezones and necessary formats.

    The package could be used for following cases:

    • Convert the date from server to local (host or browser) time.
    • Convert the date from server to ANY standard timezone(IANA) offset you want it to be.


    ## Convert a date by using a data attribute

    Return the date in the following format :

    <div data-ctoc-timezone data-ctoc-time="" data-ctoc-req-zone="" data-ctoc-req-format=""</div>

    Attribute Description
    data-ctoc-timezone Identifier for data attribute, gets removed once the date is conversion is complete.
    data-ctoc-time is the time to be converted , should be given in a valid JS date-string format . View Date Strings
    data-ctoc-req-zone is the timezone to convert the given date-time object.The field accepts all IANA timezones and variety of other timezone offsets. You can also give the offset in form of "+hh:mm" or "-hh:mm" or simply an integer.The Timezone offsets are available in the View TimeZones
    data-ctoc-format is the format specifier for the date-time object. You can construct your own format using the following rules View Formats. Not defining the format gives a Date with Datestring format.

    Example :

    <div data-ctoc-timezone data-ctoc-time="Mar 01 2013 05:30:00 +5:30" data-ctoc-req-zone="" data-ctoc-req-format=""></div>


    `Fri Mar 01 2013 05:30:00 GMT+0530 (India Standard Time)`

    ### For Changing Timezone :

    (Default Format : "ddd MMM dd YYYY hh:mm:ss")

    Using IANA format:

    <div data-ctoc-timezone data-ctoc-time="Mar 01 2013 05:30:00 +5:30" data-ctoc-req-zone="America/Lima" data-ctoc-req-format=""> </div>

    **Output :

    `Thu Feb 28 2013 19:00:00 `

    Using offset in hh:mm format:

    <div data-ctoc-timezone data-ctoc-time="Mar 01 2013 05:30:00 +5:30" data-ctoc-req-zone="-5:00" data-ctoc-req-format=""</div>


    Thu Feb 28 2013 19:00:00

    Using Integer :

    <div data-ctoc-timezone data-ctoc-time="Mar 01 2013 05:30:00 +5:30" data-ctoc-req-zone=-5 data-ctoc-req-format=""></div>

    Output :

    Thu Feb 28 2013 19:00:00

    ### Changing Format:

    <div data-ctoc-timezone data-ctoc-time="Mar 01 2013 05:30:00 +5:30" data-ctoc-req-zone="America/Lima" data-ctoc-req-format=" ddd Do MMM YYYY hh:mm:ss #{America}"></div>


    Thu 28th Feb 2013 19:00:00 America

    Convert using method call :

    ### Changing TimeZone:

    Use the toTimeZone method in CtoC.


    Here the dateobject is must paramater for the method to work while both timeZone and format considered optional.It is Date object type of JS (Date()).

    In timeZone , you can pass any IANA or offset values specified in View TimeZones. Not passing or giving empty string converts to local time.

    In format sepcify any of the format types in View Formats. Not passing a format or giving empty returns in default format. Example:

    CtoC.toTimeZone(new Date(),"EST");


    Fri Mar 1 2013 05:30:00

    Changing format in toTimeZone:

    CtoC.toTimeZone(new Date(),"EST","Do MMM YYYY hh:mm:ss #{EST}");

    Output :

    28th Feb 2013 19:00:00 EST

    ### Changing Format:

    Use the 'toFormat' method in CtoC.


    Format accepts two parameters - dateobject the date passed in date type and an optional format in string of specifies types. View Formats


    CtoC.toFormat(new Date(),"Do MMM YYYY hh:mm:ss #{EST}");


    28th Feb 2013 19:00:00 EST

    Default TimeZone and Format :

    You can also set the default timezone and formats using the supported timezones and formats using the methods:

    Default Timezone




    Default Format



    CtoC.defaultFormat="Do MM YYYY , hh:mm:ss"


    The order of parameters depends is as follows:

    If any method or data attribute is given either format or timezone as a parameter, the call has higher precedence to that of default values been set.

    If the defualt values are set and the method has no params then the default values are considered.

    If there are no default values and method params , then the timezone is set to Local and the default format will be Date String.

    This project is licensed under the MIT License - see the file for details


    npm i ctoc_timezone

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    • ganeshkurcheti