{"id":"vidhyamitra:city-day:gurugram:2018-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/gurugram/2018-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-09-18","date_display":"September 18, 2018 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458379.770833,"kali_year":5120,"ahargana":1869914.2708,"sun":{"sidereal_longitude":150.2003,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":250.5877,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.3874,"elapsed_within_tithi_degrees":4.3874},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.5877,"elapsed_within_degrees":10.5877},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.788},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2018,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458379.770833,"ahargana":1869914.2708,"kali_year":5120,"ayanamsa_lahiri":24.1144,"grahas":{"sun":{"sidereal_longitude":150.978272,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":252.79067199999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":2.4065},"mars":{"sidereal_longitude":277.242572,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":148.042772,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":205.57847200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":191.23157200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.42637200000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":102.9433,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.9433,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458379.770833,"kali_year":5120,"ahargana":1869914.2708,"sun":{"sidereal_longitude":150.2003,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":250.5877,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.3874,"elapsed_within_tithi_degrees":4.3874},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.5877,"elapsed_within_degrees":10.5877},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.788},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.407,"elongation":100.387},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.407,"opposition_distance":79.613}},"eclipse_window_40days":[]},"city":{"slug":"gurugram","name":"Gurugram (Gurgaon), Haryana","lat":28.4595,"lon":77.0266,"tz_offset_hours":5.5,"state":"Haryana","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"gurugram","name":"Gurugram (Gurgaon), Haryana","lat":28.4595,"lon":77.0266,"tz_offset_hours":5.5,"state":"Haryana","country":"IN","tier":"tier-1"},"sunriseLocal":"06:07","sunsetLocal":"18:23","solarNoonLocal":"12:15","dayLengthHours":12.267427077579757,"dayLengthDisplay":"12 Hours 16 Mins 03 Secs","nightLengthDisplay":"11 Hours 43 Mins 57 Secs","moonriseLocal":"13:53","moonsetLocal":"00:12","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:51","startHours":15.321583066500366,"endHours":16.855011451197836,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:11","end":"10:43","startHours":9.187869527710486,"endHours":10.721297912407957,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:47","startHours":12.254726297105426,"endHours":13.788154681802895,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:24","startHours":8.983412409750825,"endHours":9.392326645670149,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.632155553214704,"endHours":6.959286941950165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:40","startHours":11.8458120611861,"endHours":12.663640533024752,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:18","startHours":4.485355814638247,"endHours":5.303184286476897,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:07","startHours":5.098727168517234,"endHours":6.121012758315548,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:07","startHours":14.299297476702053,"endHours":15.117125948540703,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.188439835895306,"endHours":18.588439835895304,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.388439835895305,"endHours":18.899582630794463,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.138439835895305,"endHours":19.888439835895305,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:40","startHours":23.845812061186102,"endHours":24.663640533024754,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:07","end":"07:39","startHours":6.121012758315548,"endHours":7.654441143013017,"quality":"inauspicious"},{"name":"Udveg","start":"07:39","end":"09:11","startHours":7.654441143013017,"endHours":9.187869527710486,"quality":"inauspicious"},{"name":"Chala","start":"09:11","end":"10:43","startHours":9.187869527710486,"endHours":10.721297912407957,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:15","startHours":10.721297912407957,"endHours":12.254726297105426,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:47","startHours":12.254726297105426,"endHours":13.788154681802895,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:19","startHours":13.788154681802895,"endHours":15.321583066500366,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:51","startHours":15.321583066500366,"endHours":16.855011451197836,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:23","startHours":16.855011451197836,"endHours":18.388439835895305,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:23","end":"19:51","startHours":18.388439835895305,"endHours":19.855011451197836,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:19","startHours":19.855011451197836,"endHours":21.321583066500366,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:47","startHours":21.321583066500366,"endHours":22.788154681802894,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:15","startHours":22.788154681802894,"endHours":24.254726297105428,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:43","startHours":24.254726297105428,"endHours":25.721297912407955,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:11","startHours":25.721297912407955,"endHours":27.187869527710486,"quality":"auspicious"},{"name":"Amṛta","start":"03:11","end":"04:39","startHours":27.187869527710486,"endHours":28.654441143013017,"quality":"auspicious"},{"name":"Kāla","start":"04:39","end":"06:07","startHours":28.654441143013017,"endHours":30.121012758315548,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.121012758315548,"endHours":7.121012758315548,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.121012758315548,"endHours":8.121012758315548,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.121012758315548,"endHours":9.121012758315548,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.121012758315548,"endHours":10.121012758315548,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.121012758315548,"endHours":11.121012758315548,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.121012758315548,"endHours":12.121012758315548,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.121012758315548,"endHours":13.121012758315548,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.121012758315548,"endHours":14.121012758315548,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.121012758315548,"endHours":15.121012758315548,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.121012758315548,"endHours":16.121012758315548,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.121012758315548,"endHours":17.121012758315548,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.121012758315548,"endHours":18.121012758315548,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.121012758315548,"endHours":19.121012758315548,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.121012758315548,"endHours":20.121012758315548,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.121012758315548,"endHours":21.121012758315548,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.121012758315548,"endHours":22.121012758315548,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.121012758315548,"endHours":23.121012758315548,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.121012758315548,"endHours":24.121012758315548,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.121012758315548,"endHours":25.121012758315548,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.121012758315548,"endHours":26.121012758315548,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.121012758315548,"endHours":27.121012758315548,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.121012758315548,"endHours":28.121012758315548,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.121012758315548,"endHours":29.121012758315548,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.121012758315548,"endHours":30.121012758315548,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.949794501484897,"eotMinutes":6.610022173674397,"ayanamsa":24.1144}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Navamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Kanyā Saṅkrānti (Mahālaya begins) is not live yet; Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"gurugram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 18, 2018 CE · Gurugram (Gurgaon), Haryana · Vidhyamitra","description":"September 18, 2018 CE for Gurugram (Gurgaon), Haryana: Śukla Navamī, sūryodaya 06:07, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/gurugram/2018-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/gurugram/2018-09-18","sa":"https://sa.vidhyamitra.com/city/gurugram/2018-09-18","hi":"https://hi.vidhyamitra.com/city/gurugram/2018-09-18","x-default":"https://vidhyamitra.com/city/gurugram/2018-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T11:49:08.394Z","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":"2026-09-06T11:49:08.394Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T11:49:08.394Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}