odoo16/addons/resource/data/resource_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

<data>

    <record id="resource_calendar_std" model="resource.calendar">
        <field name="name">Standard 40 hours/week</field>
        <field name="company_id" ref="base.main_company"/>
    </record>

    <record id="base.main_company" model="res.company">
        <field name="resource_calendar_id" ref="resource_calendar_std"/>
    </record>

    <function
        model="res.company"
        name="_init_data_resource_calendar"
        eval="[]"/>

</data>

<data noupdate="1">

    <record id="resource_calendar_std_35h" model="resource.calendar">
        <field name="name">Standard 35 hours/week</field>
        <field name="company_id" ref="base.main_company"/>
        <field name="hours_per_day">7.0</field>
        <field name="attendance_ids"
            eval="[(5, 0, 0),
                (0, 0, {'name': 'Monday Morning', 'dayofweek': '0', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Monday Afternoon', 'dayofweek': '0', 'hour_from': 13, 'hour_to': 16, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Tuesday Morning', 'dayofweek': '1', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Tuesday Afternoon', 'dayofweek': '1', 'hour_from': 13, 'hour_to': 16, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Wednesday Morning', 'dayofweek': '2', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Wednesday Afternoon', 'dayofweek': '2', 'hour_from': 13, 'hour_to': 16, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Thursday Morning', 'dayofweek': '3', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Thursday Afternoon', 'dayofweek': '3', 'hour_from': 13, 'hour_to': 16, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Friday Morning', 'dayofweek': '4', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Friday Afternoon', 'dayofweek': '4', 'hour_from': 13, 'hour_to': 16, 'day_period': 'afternoon'})
            ]"
        />
    </record>

    <record id="resource_calendar_std_38h" model="resource.calendar">
        <field name="name">Standard 38 hours/week</field>
        <field name="company_id" eval="False"/>
        <field name="hours_per_day">7.6</field>
        <field name="attendance_ids"
            eval="[(5, 0, 0),
                (0, 0, {'name': 'Monday Morning', 'dayofweek': '0', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Monday Afternoon', 'dayofweek': '0', 'hour_from': 13, 'hour_to': 16.6, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Tuesday Morning', 'dayofweek': '1', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Tuesday Afternoon', 'dayofweek': '1', 'hour_from': 13, 'hour_to': 16.6, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Wednesday Morning', 'dayofweek': '2', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Wednesday Afternoon', 'dayofweek': '2', 'hour_from': 13, 'hour_to': 16.6, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Thursday Morning', 'dayofweek': '3', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Thursday Afternoon', 'dayofweek': '3', 'hour_from': 13, 'hour_to': 16.6, 'day_period': 'afternoon'}),
                (0, 0, {'name': 'Friday Morning', 'dayofweek': '4', 'hour_from': 8, 'hour_to': 12, 'day_period': 'morning'}),
                (0, 0, {'name': 'Friday Afternoon', 'dayofweek': '4', 'hour_from': 13, 'hour_to': 16.6, 'day_period': 'afternoon'})
            ]"
        />
    </record>

</data>

</odoo>