{"id":"vidhyamitra:city-day:lucknow:2025-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2025-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-07-18","date_display":"July 18, 2025 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2025,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460874.770833,"kali_year":5127,"ahargana":1872409.2708,"sun":{"sidereal_longitude":90.9754,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":2.3486,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.3732,"elapsed_within_tithi_degrees":7.3732},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.3486,"elapsed_within_degrees":2.3486},"yoga":{"number":7,"name":"Sukarma","sum_longitude":93.324},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2025,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460874.770833,"ahargana":1872409.2708,"kali_year":5127,"ayanamsa_lahiri":24.2098,"grahas":{"sun":{"sidereal_longitude":91.48454500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":1.5986449999999763,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":2.3563},"mars":{"sidereal_longitude":143.21704499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":111.08774499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":74.36684500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":50.376044999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":337.776045,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":330.7462,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":150.7462,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2025,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460874.770833,"kali_year":5127,"ahargana":1872409.2708,"sun":{"sidereal_longitude":90.9754,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":2.3486,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.3732,"elapsed_within_tithi_degrees":7.3732},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.3486,"elapsed_within_degrees":2.3486},"yoga":{"number":7,"name":"Sukarma","sum_longitude":93.324},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.356,"elongation":88.627},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.356,"opposition_distance":91.373}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:23","sunsetLocal":"19:01","solarNoonLocal":"12:12","dayLengthHours":13.630171428094222,"dayLengthDisplay":"13 Hours 37 Mins 49 Secs","nightLengthDisplay":"10 Hours 22 Mins 11 Secs","moonriseLocal":"23:49","moonsetLocal":"12:36","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:12","startHours":10.497413840163372,"endHours":12.20118526867515,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:19","startHours":15.608728125698706,"endHours":17.312499554210483,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:05","end":"08:48","startHours":7.089870983139817,"endHours":8.793642411651595,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.566472887850026,"endHours":9.020811935453166,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:19","startHours":5.954023364131965,"endHours":6.317494602214477,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:39","startHours":11.74684622107201,"endHours":12.65552431627829,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:34","end":"04:29","startHours":3.568743364215476,"endHours":4.477421459421758,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:23","startHours":4.250251935620187,"endHours":5.386099554628039,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:23","startHours":14.472880506690855,"endHours":15.381558601897137,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.816270982722262,"endHours":19.21627098272226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:35","startHours":19.01627098272226,"endHours":19.58419479222619,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.76627098272226,"endHours":20.51627098272226,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:39","startHours":23.74684622107201,"endHours":24.655524316278292,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:23","end":"07:05","startHours":5.386099554628039,"endHours":7.089870983139817,"quality":"neutral"},{"name":"Labha","start":"07:05","end":"08:48","startHours":7.089870983139817,"endHours":8.793642411651595,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:30","startHours":8.793642411651595,"endHours":10.497413840163372,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:12","startHours":10.497413840163372,"endHours":12.20118526867515,"quality":"inauspicious"},{"name":"Śubha","start":"12:12","end":"13:54","startHours":12.20118526867515,"endHours":13.904956697186929,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:37","startHours":13.904956697186929,"endHours":15.608728125698706,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:19","startHours":15.608728125698706,"endHours":17.312499554210483,"quality":"inauspicious"},{"name":"Chala","start":"17:19","end":"19:01","startHours":17.312499554210483,"endHours":19.01627098272226,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:01","end":"20:19","startHours":19.01627098272226,"endHours":20.312499554210483,"quality":"inauspicious"},{"name":"Udveg","start":"20:19","end":"21:37","startHours":20.312499554210483,"endHours":21.608728125698704,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"22:54","startHours":21.608728125698704,"endHours":22.90495669718693,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:12","startHours":22.90495669718693,"endHours":24.20118526867515,"quality":"auspicious"},{"name":"Amṛta","start":"00:12","end":"01:30","startHours":24.20118526867515,"endHours":25.49741384016337,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:48","startHours":25.49741384016337,"endHours":26.793642411651597,"quality":"inauspicious"},{"name":"Śubha","start":"02:48","end":"04:05","startHours":26.793642411651597,"endHours":28.089870983139818,"quality":"auspicious"},{"name":"Roga","start":"04:05","end":"05:23","startHours":28.089870983139818,"endHours":29.38609955462804,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.386099554628039,"endHours":6.386099554628039,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.386099554628039,"endHours":7.386099554628039,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.386099554628039,"endHours":8.38609955462804,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.38609955462804,"endHours":9.38609955462804,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.38609955462804,"endHours":10.38609955462804,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.38609955462804,"endHours":11.38609955462804,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.38609955462804,"endHours":12.38609955462804,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.38609955462804,"endHours":13.38609955462804,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.38609955462804,"endHours":14.38609955462804,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.38609955462804,"endHours":15.38609955462804,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.38609955462804,"endHours":16.38609955462804,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.38609955462804,"endHours":17.38609955462804,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.38609955462804,"endHours":18.38609955462804,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.38609955462804,"endHours":19.38609955462804,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.38609955462804,"endHours":20.38609955462804,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.38609955462804,"endHours":21.38609955462804,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.38609955462804,"endHours":22.38609955462804,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.38609955462804,"endHours":23.38609955462804,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.38609955462804,"endHours":24.38609955462804,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.38609955462804,"endHours":25.38609955462804,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.38609955462804,"endHours":26.38609955462804,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.38609955462804,"endHours":27.38609955462804,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.38609955462804,"endHours":28.38609955462804,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.38609955462804,"endHours":29.38609955462804,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.002249526368303,"eotMinutes":-5.85591612050904,"ayanamsa":24.2098}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Aṣṭamī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 18, 2025 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"July 18, 2025 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Aṣṭamī, sūryodaya 05:23, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2025-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2025-07-18","sa":"https://sa.vidhyamitra.com/city/lucknow/2025-07-18","hi":"https://hi.vidhyamitra.com/city/lucknow/2025-07-18","x-default":"https://vidhyamitra.com/city/lucknow/2025-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:54:57.020Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-15T01:54:57.020Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:54:57.020Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}