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Function signature[source] st.time_input(label, value="now", key=None, help=None, on_change=None, args=None, kwargs=None, *, disabled=False, label_visibility="visible", step=0:15:00) Parameters

label
(str)

 
A short label explaining to the user what this time input is for.
The label can optionally contain Markdown and supports the following
elements: Bold, Italics, Strikethroughs, Inline Code, Emojis, and Links.
This also supports:

Emoji shortcodes, such as :+1:  and :sunglasses:.
For a list of all supported codes,
see https://share.streamlit.io/streamlit/emoji-shortcodes.
LaTeX expressions, by wrapping them in "$" or "$$" (the "$$"
must be on their own lines). Supported LaTeX functions are listed
at https://katex.org/docs/supported.html.
Colored text and background colors for text, using the syntax
:color[text to be colored] and :color-background[text to be colored],
respectively. color must be replaced with any of the following
supported colors: blue, green, orange, red, violet, gray/grey, rainbow.
For example, you can use :orange[your text here] or
:blue-background[your text here].

Unsupported elements are unwrapped so only their children (text contents) render.
Display unsupported elements as literal characters by
backslash-escaping them. E.g. 1\. Not an ordered list.
For accessibility reasons, you should never set an empty label (label="")
but hide it with label_visibility if needed. In the future, we may disallow
empty labels by raising an exception.


value
(datetime.time/datetime.datetime, "now" or None)

 
The value of this widget when it first renders. This will be
cast to str internally. If None, will initialize empty and
return None until the user selects a time. If "now" (default),
will initialize with the current time.


key
(str or int)

 
An optional string or integer to use as the unique key for the widget.
If this is omitted, a key will be generated for the widget
based on its content. Multiple widgets of the same type may
not share the same key.


help
(str)

 
An optional tooltip that gets displayed next to the input.


on_change
(callable)

 
An optional callback invoked when this time_input's value changes.


args
(tuple)

 
An optional tuple of args to pass to the callback.


kwargs
(dict)

 
An optional dict of kwargs to pass to the callback.


disabled
(bool)

 
An optional boolean, which disables the time input if set to True.
The default is False.


label_visibility
("visible", "hidden", or "collapsed")

 
The visibility of the label. If "hidden", the label doesn't show but there
is still empty space for it above the widget (equivalent to label="").
If "collapsed", both the label and the space are removed. Default is
"visible".


step
(int or timedelta)

 
The stepping interval in seconds. Defaults to 900, i.e. 15 minutes.
You can also pass a datetime.timedelta object.
Returns(datetime.time or None)  The current value of the time input widget or None if no time has been
selected.
Example

import datetime
import streamlit as st

t = st.time_input("Set an alarm for", datetime.time(8, 45))
st.write("Alarm is set for", t)

Built with Streamlit 🎈Fullscreen open_in_new
To initialize an empty time input, use None as the value:

import datetime
import streamlit as st

t = st.time_input("Set an alarm for", value=None)
st.write("Alarm is set for", t)

Built with Streamlit 🎈Fullscreen open_in_new

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