consolidation of examples: date_time_functions #37119

Job	Run time
Check cargo fmt	44s
Check License Header	2m 19s
linux build test	4m 48s
build with wasm-pack	3m 38s
cargo test (macos-aarch64)	10m 32s
Verify MSRV (Min Supported Rust Version)	10m 0s
Verify Vendored Code	51s
clippy	8m 35s
check Cargo.toml formatting	3m 59s
cargo check datafusion	5m 33s
check configs.md and ***_functions.md is up-to-date	5m 12s
cargo check functions	2m 15s
cargo doc	5m 44s
cargo check no default features	11m 9s
cargo test (amd64)	14m 37s
cargo test doc (amd64)	20m 15s
cargo test datafusion-cli (amd64)	6m 15s
cargo examples (amd64)	17m 19s
Run sqllogictest with Postgres runner	6m 33s
cargo test pyarrow (amd64)	4m 2s
verify benchmark results (amd64)	9m 44s
	2h 34m 4s

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